Extract run error: ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS5'

Summary:

We have some Extract runs completed with the status "Completed with Alerts". No output files have been generated.

Under "Instance Details" section, the task "Archive and Generate XML" was errored out. I downloaded the log file, it has the error -
A system error ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS5'

I re-run the Extract, it's completed successfully without error.

Does anyone run into the same error, or have any clue? Thank you!

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24B

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