GRP4074

Look-Ahead entry (positions 19-20 of an Input-Record specification) is specified, but the associated File-Designation entry (position 16) of the File-Description specification is not P or S.

Omit the Look-Ahead entry (positions 19-20 of the Input-Record specification), or specify the File-Designation entry (position 16 on the File-Description specification) as P or S. Compile again.