MFPLI00113S A bit-string constant contains an invalid digit following the B. Only 1, 2, 3, or 4 are permitted.

Bit-string constants can be expressed in binary, quaternary, octal or hexadecimal.
Resolution:
Express the bit-constant in one of the permitted bases.
Module:
DCLPL1.PL1, UTCNVCO.PL1