The checkout volume volume name failed
because the entry/exit port of library library name is
full. Please remove the volume(s) from the entry/exit port and re-issue
the command.
Explanation
The indicated operation has failed because the
entry/exit port of the specified library is full.
System action
The command fails.
User response
Remove the volume(s) from the entry/exit port
and re-issue the command to process any remaining eligible volumes.