Message; “Cannot read cfi_rec”

When running an INPUT process, I get:

PL.C.2842 - "Cannot read cfi rec - Error - Record Not in File",

followed by "Internal Error Has Been Detected, proceed with caution!".

You may be attempting to PASS a FILE. You can pass a RECORD, but you can't PASS a FILE (even though the ILF editor and compiler don't complain about it.