operator selected write protect operator medium removal request medium removal prevented reposition error tape position error at end-of-medium tape position error at beginning-of-medium cleaning cartridge installed cannot read medium - incompatible format cannot read medium - unknown format parameter value invalid parameter not supported positioning error detected by read of medium mechanical positioning error block sequence error end-of-data not found filemark or setmark not found record not found miscorrected error no gap found incomplete block read CIRC unrecovered error L-EC uncorrectable error multiple read errors error too long to correct read retries exhausted logical unit not ready, manual intervention required logical unit is in process of becoming ready excessive write errors no write current I/O process terminated end-of-data detected beginning-of-partition/medium detected setmark detected end-of-partition/medium detected filemark detected