The second parameter for %SUBDT is not valid.
20
Cause . . . . . : The second parameter for built-in function %SUBDT must be *MSECONDS, *MS, *SECONDS, *S, *MINUTES, *M, *HOURS, *H, *DAYS, *D, *MONTHS, *MN, *YEARS, or *Y. The built-in function is ignored.
Recovery . . . : Correct the second parameter for built-in function %SUBDT. Compile again.
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