CAC00276W OPEN FAILED FOR FILE File-Name. FILE NAME MAY
BE IN ERROR OR PDS MAY CURRENTLY BE ALLOCATED TO ANOTHER USER.
Explanation
The command was stopped because the specified file could not
be opened.
User response
If the file is new, ensure that the name is valid. For example,
data set member names cannot be longer than eight characters. If the file
exists, ensure that the data set is not in use and that the file
is not open or in use.