When trying to download a problem report in Billing > System > Logs > Problem Reports on CloudBlue Commerce version 21.0 and above, the panel will show an error with some variance as below:
The error occurred on the attempt to read the file "UNDEFINED/reports/.log.gz".
The error occurred on the attempt to read the file "UNDEFINED/reports/22-05-28_04-00-25_627702.log.gz".
The functionality is deprecated but was not fully removed from the platform.
The bug OA-30710 created to remove the functionality from the platform.
Additionally, it is recommended to deploy a logging solution to gather and analyze the log for CloudBlue Commerce 21.0 and above as described in the official documentation, Logging-Guide