Add more debugging info to StructBuilder validate_content #5357
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Which issue does this PR close?
Closes #.
Rationale for this change
Somehow when an error happens during
StructBuilder.validate_content
, we found that its error message is not enough for us to investigate which field causes the problem. It might be better to add more debugging info there.What changes are included in this PR?
Adding some more debugging info to the panic error.
Are there any user-facing changes?