M204.2020
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M204.2020 File fileName; condition, OPEN command rejected
The Model 204 file could not be opened due to the condition indicated in the message.
Response: Check the name of the database file. If the name is incorrect, try again with the correct file name; if the name is correct, inform your System Manager.
System manager response: Check your JCL to ensure that the corresponding DD statement is pointing to a DASD data set. If the data set is allocated dynamically, be sure that ALLOCATE command points to a valid DASD data set.
Message attributes:
| RETCODEO=0 | Sets online return code |
|---|---|
| RETCODEB=4 | Sets batch (single user) return code |
| CLASS=E | Error class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter |
| AUDITER | Writes the message with line type ER to the audit trail |
| COUNT | Increments the error count (ERCNT) parameter |