*FIXED* Passed all W4 Assignment tests but there are "technical difficulties"

When clicking “submit assignment” after passing all the code tests (and without modifying the non-graded cells), this message appears:
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I scrolled through W4 assignment topics, but none exactly addressed this. I know that the image says to wait for 24 hours to then reach the Help Center, but I think my course subscription expires tomorrow, so I wanted to leave a reference over here, just in case :sweat_smile:

What can I do?


Edit: Whenever you open a notebook from the course, it opens in another tab; i just went to the original tab and opened the notebook again, entered login info, then I clicked on “submit assignment” and it worked :slight_smile:

Sounds like a technical glitch on Coursera’s side of the course.