M204.1851 Unable to open ddName stream, COPY command failed
An attempt to open the named stream (or data set) for input has failed. The COPY command cannot be completed.
Response: Check the input stream/data set name in your COPY, be sure it is correct, and reissue the COPY command. If the error persists, notify your system manager.
System manager response: Verify the JCL and the DEFINE STREAM or DEFINE DATASET command. If they are consistent and the problem persists, contact Technical Support.
|Sets online return code
|Sets batch (single user) return code
|Error class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter
|Writes the message with line type ER to the audit trail
|Increments the error count (ERCNT) parameter