As stated in MDL-50047, restoring a quiz_results block with a quiz that does not exist any more might lead to incorrect restored data and notices. I have not tested myself but it looks like it'd be the case by looking at the code.
The patch in MDL-50047 should help figuring out how to fix this issue.
- has a non-specific relationship to
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MDL-50047 Notices or misconfiguration can happen when upgrading or restoring quiz_results block
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- Closed
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