# C2W2 Assignment: Grader Error: Grader feedback not found

**URL:** <https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718>\
**Category:** PyTorch: Fundamentals\
**Tags:** grader-feedback, week-module-2, assignment, coursera-platform\
**Created:** [October 17, 2026, 11:02pm UTC](https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718 "2026-10-17T23:02:04Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Jane\_Ivanova](https://sea1.discourse-cdn.com/dlai/user_avatar/community.deeplearning.ai/jane_ivanova/32/162633_2.png) [@Jane\_Ivanova](https://community.deeplearning.ai/u/Jane_Ivanova)\
**Post date:** [October 17, 2026, 11:02pm UTC](https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718/1 "2026-10-17T23:02:04Z")

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I completed my Graded Assignment - is it fully completed and all tests run OK. Grader failes to find the submission for Exercise 3 and throws this error:

### Grader Error: Grader feedback not found

Visit the Discussion forum to see if your peers are experiencing or have found resolutions for similar errors. If the error isn’t resolved in 24 hours, please reach out to Coursera through our Help Center.

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**Author:** ![Deepti\_Prasad](https://sea1.discourse-cdn.com/dlai/user_avatar/community.deeplearning.ai/deepti_prasad/32/165831_2.png) [@Deepti\_Prasad](https://community.deeplearning.ai/u/Deepti_Prasad)\
**Post date:** [October 18, 2026, 4:11pm UTC](https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718/2 "2026-10-18T16:11:03Z")

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check if you have made any changes other than replacing None place between code markers ###Start and end code here###

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<div class="post-metadata">

**Author:** ![Jane\_Ivanova](https://sea1.discourse-cdn.com/dlai/user_avatar/community.deeplearning.ai/jane_ivanova/32/162633_2.png) [@Jane\_Ivanova](https://community.deeplearning.ai/u/Jane_Ivanova)\
**Post date:** [October 18, 2026, 11:39pm UTC](https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718/3 "2026-10-18T23:39:28Z")

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Thanks for the suggestion. I checked that my code markers are all on place. I only changed the specific lines where the code was expected

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<div class="post-metadata">

**Author:** ![paulinpaloalto](https://sea1.discourse-cdn.com/dlai/user_avatar/community.deeplearning.ai/paulinpaloalto/32/187_2.png) [@paulinpaloalto](https://community.deeplearning.ai/u/paulinpaloalto)\
**Post date:** [October 19, 2026, 12:36am UTC](https://community.deeplearning.ai/t/c2w2-assignment-grader-error-grader-feedback-not-found/895718/4 "2026-10-19T00:36:32Z")

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One other thing to try is to do a “`Save`” first and then submit again. The basic thing we trying to insure is that the state of the notebook is consistent and the grader is seeing the same thing that you are seeing.

If just the “`Save`” + “`Submit`” doesn’t help, then the next thing to try would be to do a browser “`Refresh`” on the notebook page and then do:

```auto
Kernel -> Restart and Clear Output
Cell -> Run All
Save

```

Then carefully page through the notebook and check that all the cells still run correctly. If so, then submit again and see if that changes the grader behavior.