Explanation: When a process performed a media-related operation, it encountered an empty or an incorrectly formatted media identifier. Or a media ID that was passed to it cannot be operated on as requested.
Examine command output, debug logs, and system logs for a more detailed message on the error.
Ensure that the specified media IDs contain valid characters only: alphanumeric characters, the period (.), the plus sign (+), and the underscore (_). A hyphen (-) is also a valid character when not the first character in the media ID.
If media are specified to be ejected from a library, ensure the following: they exist in the EMM database and are associated with the correct robot number.
Ensure that the media ID is from 1 to 6 characters in length.
If the operation is an inventory request for an ACS robot, use the robtest utility to verify the following: the ACS interface returns cleaning media IDs both in the query volume list and in the query cleaning volume list.
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.