From: Brian Kautz To: All
Just started playing with subfiles (we came over from S/36 about six-seven months ago.) Just got the error CPF5051--PUTGET not allowed in subfile for file XXXXXXXXXX in Library. This caused a session or device error and halted my program. What does this mean?
From: Ernie Malaga To: Brian Kautz
Nine times out of 10 it means that you've tried to display a subfile that is not active. The subfile becomes active when you clear it with the SFLCLR keyword in the DDS for the display file. This keyword is usually conditioned with an indicator. To clear the subfile, you turn on the indicator and WRITE the subfile control record.
Also, you must not attempt to display the subfile if there aren't any records in it. Again, this is controlled with a DDS keyword--SFLDSP--which you can condition with an indicator. To avoid displaying an empty subfile, turn off the indicator and WRITE the subfile control record.
I'm probably missing something else. I haven't used subfiles much myself.
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