C1W2_assigment: Implementing Callbacks in TensorFlow using the MNIST Dataset: error : Grader Error: Grader feedback not found

[balaji.ambresh]

Does this help?

TF1: How to check your notebook's metadata

The autograders in Courses 1 to 3 looks for tags in your notebook’s metadata so it will know which cells to grade. If you get a score of 0/100 even if your notebook runs fine, then this notebook metadata might be corrupted. You can try getting a new notebook following the instructions here and paste your old solutions there. That usually resolves the issue. However, in case you want to check the metadata manually, then you can do so by following these steps: Coursera Labs This applies to Course…

If that doesn’t help, please ensure that no global variables are used unless necessary. If grader still fails your submission, click my name and message your notebook as an attachment.