Overflow indicator is not valid with the Fetch-Overflow entry; Fetch-Overflow defaults to blank.
20
Cause . . . . . : If an overflow indicator is specified in the Output-Indicator entries (positions 21 - 29), then the Fetch-Overflow entry (position 18) must be blank.
Recovery . . . : Remove the F from the Fetch-Overflow entry or remove the overflow indicator from the Output-Indicator entries. Compile again.
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