failure to open file aa...aa. reason code=bb...bb

aa...aa: Physical file name

bb...bb: Reason code

PATH: Invalid path specification

FORMAT: Device is not initialized.

NOTEXIST: File does not exist.

VERSION: Unmatched file versions

OPENNUM: Too many character-type special files opened.

ACCESSS: Invalid access authority for character-type special files

ACCESSF: Invalid access authority for files

EXCL: Exclusive control error

EXFAIL: Insufficient number of record lock segments

S: Continues processing.

O: Investigate the cause of the error according to the reason code, take countermeasures, and retry.