COBEC0002S COPY Book File OPEN failed

The preprocessor could not open the file specified in the COPY statement.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
COPY statement is ignored.
Resolution:
Check permissions for the file. Also verify that no other user has locked the file.
Module:
cicsprep (dfhxppin)
Destination:
Source Listing, .TRL file, STDOUT