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Message boards : Problems and Help : LLR2 task validation error but no Gerbicz error?

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Posts: 285
ID: 1241833
Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 144570 - Posted: 22 Oct 2020 | 12:00:31 UTC

I have this failed task:

Click

But according to stderr output nothing went wrong during the LLR2 task:

<core_client_version>7.16.11</core_client_version> <![CDATA[ <stderr_txt> BOINC PrimeGrid wrapper 2.01 (Aug 11 2020 22:09:56) running ../../projects/www.primegrid.com/llr2_1.0.0_win64_200814.exe -v LLR2 Program - Version 1.0.0, using Gwnum Library Version 29.8 running ../../projects/www.primegrid.com/llr2_1.0.0_win64_200814.exe -oGerbicz=1 -oProofName=proof -oProofCount=128 -oProductName=prod -oPietrzak=1 -oCachePoints=0 -pSavePoints -q3*2^16391988-1 -d -t4 -oDiskWriteTime=1 Gerbicz check is requested, switching to PRP. Starting probable prime test of 3*2^16391988-1 Using FMA3 FFT length 896K, Pass1=448, Pass2=2K, clm=2, 4 threads, a = 3, L2 = 459*279, M = 128061 Compressed 128 points to 7 products. Time : 95.896 sec. Testing complete. 11:51:50 (5804): called boinc_finish(0) </stderr_txt> ]]>


So I guess the certificate didn't match? Is it possible to find out what went wrong? Apparently the problem was on my side as the second task for that WU went through fine.
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,822,730)Cullen LLR Ruby: Earned 2,000,000 credits (3,624,591)ESP LLR Turquoise: Earned 5,000,000 credits (5,021,269)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Jade: Earned 10,000,000 credits (16,008,485)PSP LLR Turquoise: Earned 5,000,000 credits (5,197,957)SoB LLR Sapphire: Earned 20,000,000 credits (34,291,181)SR5 LLR Jade: Earned 10,000,000 credits (10,007,110)SGS LLR Ruby: Earned 2,000,000 credits (2,471,946)TRP LLR Turquoise: Earned 5,000,000 credits (5,084,329)Woodall LLR Ruby: Earned 2,000,000 credits (2,911,985)321 Sieve (suspended) Jade: Earned 10,000,000 credits (10,061,196)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (22,885,121)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Jade: Earned 10,000,000 credits (10,118,303)WW Gold: Earned 500,000 credits (500,000)GFN Emerald: Earned 50,000,000 credits (75,106,275)PSA Jade: Earned 10,000,000 credits (12,445,029)
Message 144577 - Posted: 22 Oct 2020 | 12:57:37 UTC - in response to Message 144570.

It can happen, but it's rare. The Gerbicz error checking can't catch errors at the very end of the calculation.

I see that this computer has had several tasks completely fail before the tasks were completed. I suspect whatever caused those tasks to fail was also responsible for this error.
____________
My lucky number is 75898524288+1

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Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 144582 - Posted: 22 Oct 2020 | 13:39:43 UTC - in response to Message 144577.
Last modified: 22 Oct 2020 | 13:41:35 UTC

Can you see more than these four occurances and the recent GFN error on 22/10?

clickety

The Woodall errors happened when I had to shut the computer down by removing power due to problems with a gfx card I installed on those dates.

The GFN error has no immediate explanation, I hope it's a singular occurence.
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

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Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,011,570)Cullen LLR Jade: Earned 10,000,000 credits (10,009,374)ESP LLR Jade: Earned 10,000,000 credits (10,009,221)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,012,217)PPS LLR Jade: Earned 10,000,000 credits (11,055,307)PSP LLR Jade: Earned 10,000,000 credits (10,044,081)SoB LLR Turquoise: Earned 5,000,000 credits (9,993,121)SR5 LLR Turquoise: Earned 5,000,000 credits (9,959,731)SGS LLR Turquoise: Earned 5,000,000 credits (9,985,409)TRP LLR Turquoise: Earned 5,000,000 credits (9,911,706)Woodall LLR Turquoise: Earned 5,000,000 credits (9,963,318)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,004,228)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,047,667)PPS Sieve Sapphire: Earned 20,000,000 credits (20,866,490)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,043,271)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,015,177)AP 26/27 Sapphire: Earned 20,000,000 credits (20,045,194)WW Silver: Earned 100,000 credits (228,000)GFN Emerald: Earned 50,000,000 credits (53,545,357)PSA Double Silver: Earned 200,000,000 credits (200,301,443)
Message 144588 - Posted: 22 Oct 2020 | 14:16:42 UTC - in response to Message 144570.

I have this failed task:

Click

But according to stderr output nothing went wrong during the LLR2 task:

This task returned incorrect residue. When certificate is created, residue is regenerated on server and compared with your result. They didn't match. A second task confirmed that your residue was wrong.

The simple part of the answer is: there are few steps which are not protected by Gerbicz, and you had a hardware error during one of these steps (in this case, on few last iterations of test). The complex part is: look like your system is having problems, but they do not look like common case of CPU failures and Gerbicz errors. One of your task crashed with "Illegal instruction" (code 0xC0000005 in log). Another tasks failed to start because executable file was corrupted on disk ( https://www.primegrid.com/result.php?resultid=1130869675 ) or it's checksum was calculated incorrectly due to other hardware problems.

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Joined: 25 Feb 20
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ID: 1241833
Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 144601 - Posted: 22 Oct 2020 | 16:06:14 UTC - in response to Message 144588.

stream, both tasks were running when I was installing and removing the gfx card which unfortunately included a few cold shut-downs (i.e. pulling the plug). I hope it was just this that caused the problems.

I doesn't explain the failed 321 task though, as that happened two days ago. But for now I'll wait and see if it occurs again.
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

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Joined: 25 Feb 20
Posts: 285
ID: 1241833
Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 145138 - Posted: 10 Nov 2020 | 14:42:02 UTC
Last modified: 10 Nov 2020 | 14:51:20 UTC

Unfortunately the same computer is now acting up again and this time I didn't do restarting during the computation.

It began when I switched to GCW, 3 of 3 failed tasks so far. They all show this stderr:

<core_client_version>7.16.11</core_client_version> <![CDATA[ <message> (unknown error) - exit code 195 (0xc3)</message> <stderr_txt> BOINC PrimeGrid wrapper 2.01 (Aug 11 2020 22:09:56) running ../../projects/www.primegrid.com/llr2_1.0.0_win64_200814.exe -v LLR2 Program - Version 1.0.0, using Gwnum Library Version 29.8 running ../../projects/www.primegrid.com/llr2_1.0.0_win64_200814.exe -oGerbicz=1 -oProofName=proof -oProofCount=64 -oProductName=prod -oPietrzak=1 -oCachePoints=1 -pSavePoints -q2061438*11^4122876+1 -d -t4 -oDiskWriteTime=1 Gerbicz check is requested, switching to PRP. Starting probable prime test of 2061438*11^4122876+1 Using zero-padded FMA3 FFT length 1680K, Pass1=448, Pass2=3840, clm=2, 4 threads, a = 3, L2 = 327*197, M = 64419 Application terminated with exit code -1073741819 (0xC0000005) 15:07:43 (1552): called boinc_finish(195) </stderr_txt>


BOINC message log shows:

10.11.2020 02:45:56 | PrimeGrid | Computation for task llrGCW_352241013_0 finished 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_0 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_1 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_2 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_3 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_4 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_5 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_6 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_7 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_8 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_9 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_10 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_11 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_14 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_15 for task llrGCW_352241013_0 absent 10.11.2020 02:45:56 | PrimeGrid | Output file llrGCW_352241013_0_r1696868142_16 for task llrGCW_352241013_0 absent 10.11.2020 02:45:58 | PrimeGrid | Started upload of llrGCW_352241013_0_r1696868142_12 10.11.2020 02:45:58 | PrimeGrid | Started upload of llrGCW_352241013_0_r1696868142_13 10.11.2020 02:45:59 | PrimeGrid | Finished upload of llrGCW_352241013_0_r1696868142_13 10.11.2020 02:46:00 | PrimeGrid | Finished upload of llrGCW_352241013_0_r1696868142_12 10.11.2020 02:47:41 | PrimeGrid | Sending scheduler request: To report completed tasks. 10.11.2020 02:47:41 | PrimeGrid | Reporting 1 completed tasks ]]>


Always only output files 12 and 13 are present, the others missing.

I found this thread where it was said that about anything hardware related can cause the error. The CPU i5-4790K is running at 77-78 °C all the time which according to some gaming-forums is a good temperature.

I changed preference to SoB, so when the 4th task fails as well I'll see if it's just affecting CGW. Maybe the b != 2 is having a higher demand on error counts?
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

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Joined: 25 Feb 20
Posts: 285
ID: 1241833
Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 145161 - Posted: 11 Nov 2020 | 17:58:18 UTC

After 4 consecutive failed GCW tasks I switched to SoB which now is running since 24 h with no problems. So the error seems to be triggered specifically by CGW. Does it have some hardware component it puts specific stress on? RAM?
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

stream
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Joined: 1 Mar 14
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RAC: 27,627
Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,011,570)Cullen LLR Jade: Earned 10,000,000 credits (10,009,374)ESP LLR Jade: Earned 10,000,000 credits (10,009,221)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,012,217)PPS LLR Jade: Earned 10,000,000 credits (11,055,307)PSP LLR Jade: Earned 10,000,000 credits (10,044,081)SoB LLR Turquoise: Earned 5,000,000 credits (9,993,121)SR5 LLR Turquoise: Earned 5,000,000 credits (9,959,731)SGS LLR Turquoise: Earned 5,000,000 credits (9,985,409)TRP LLR Turquoise: Earned 5,000,000 credits (9,911,706)Woodall LLR Turquoise: Earned 5,000,000 credits (9,963,318)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,004,228)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,047,667)PPS Sieve Sapphire: Earned 20,000,000 credits (20,866,490)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,043,271)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,015,177)AP 26/27 Sapphire: Earned 20,000,000 credits (20,045,194)WW Silver: Earned 100,000 credits (228,000)GFN Emerald: Earned 50,000,000 credits (53,545,357)PSA Double Silver: Earned 200,000,000 credits (200,301,443)
Message 145164 - Posted: 11 Nov 2020 | 19:54:55 UTC - in response to Message 145161.

After 4 consecutive failed GCW tasks I switched to SoB which now is running since 24 h with no problems. So the error seems to be triggered specifically by CGW. Does it have some hardware component it puts specific stress on? RAM?

Don't think so, most stressful tasks (for heat and CPU load) are PPS, PPS-MEGA and DIV. But GCW uses highest amount of RAM. Look like your task made it almost to the end, but crashed during compression of checkpoints, where maximum amount of RAM is used. Can it be that this PC is running out of memory? Each GCW task can consume up to 1 GByte of RAM.

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Joined: 25 Feb 20
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Credit: 17,800,393
RAC: 140,322
321 LLR Gold: Earned 500,000 credits (538,216)Cullen LLR Amethyst: Earned 1,000,000 credits (1,169,946)ESP LLR Gold: Earned 500,000 credits (636,842)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (212,232)PPS LLR Gold: Earned 500,000 credits (883,715)PSP LLR Gold: Earned 500,000 credits (663,928)SoB LLR Silver: Earned 100,000 credits (217,346)SR5 LLR Gold: Earned 500,000 credits (531,229)SGS LLR Amethyst: Earned 1,000,000 credits (1,041,624)TRP LLR Gold: Earned 500,000 credits (561,429)Woodall LLR Gold: Earned 500,000 credits (781,741)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Amethyst: Earned 1,000,000 credits (1,045,010)AP 26/27 Ruby: Earned 2,000,000 credits (2,470,273)GFN Ruby: Earned 2,000,000 credits (4,883,821)PSA Bronze: Earned 10,000 credits (55,888)
Message 145173 - Posted: 12 Nov 2020 | 9:57:54 UTC - in response to Message 145164.

It has 32 GB of RAM, maybe the RAM has problems?

So even during the checkpoint compression stage it has RAM consumption higher than other subprojects?
____________
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)

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Message boards : Problems and Help : LLR2 task validation error but no Gerbicz error?

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