An error occurred during the implicit opening of a file. The UNDEFINEDFILE condition was raised and a normal return was made from the associated ON-unit, but the file was still unopened. The ONCODE associated with this message is 1016.
The ERROR condition is raised.
Ensure that the file has been completely and correctly declared, and that the input/output statement that implicitly opens the file is not in conflict with the file declaration.
IBM0PG