Backup to tape fails with the following message:
No more data is on the tape
Tape was erased or data was written to it using third party software. As such, Acronis Backup cannot recognise this tape as the modifications were made using other program.
Re-scan the tape to update the information about the tape in Acronis database: see product documentation for instructions.
If you need to perform any activity involving erase, move, eject etc. a tape, you need to do it via Acronis Backup tape management, in order to keep the ARSM database intact (see product documentation for instructions).