Display directly after updating using the document method" Internal Server Error＂

[cdorsat]

For example, if the title is updated using the document method, it will be displayed directly after updating."
Internal Server Error". What is the reason? How to solve this situation?

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Environment: Debian 11.01
Installation mode: stand-alone installation

[mgogoulos]

if the title is updated using the document method not sure what you mean here. can you provide more detailed steps?
also, do a tail -f logs/* before you run the action and see what is the error message