Explanation: Only one NetBackup catalog backup can be active at any given time. Certain operations are not allowed during an online catalog backup. (These include catalog archiving, catalog compression, and expiration of the last copy of an image.)
Recommended Action: Retry the operation after the catalog backup completes.
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at webmaster@systemmanager.forsenergy.ru to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.