The NULLIND keyword cannot be used when ALWNULL(*USRCTL) is not specified.
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Cause . . . . . : The NULLIND keyword is only allowed when the ALWNULL(*USRCTL) compile option is in effect. The NULLIND keyword is ignored.
Recovery . . . : Specify the ALWNULL(*USRCTL) keyword in the Control statements or specify the ALWNULL(*USRCTL) parameter for the CRTBNDRPG or CRTRPGMOD command.