Informix Error -646
-646 Cannot release volume.
An attempt to release a requested optical volume with the RELEASE statement has failed. See the error from the optical subsystem (an error in the -7000 to -7199 range) for more information.
An attempt to release a requested optical volume with the RELEASE statement has failed. See the error from the optical subsystem (an error in the -7000 to -7199 range) for more information.