When executing the an ADDRESS JOBTRAC from an OPS/REXX program the following error occurs:
OPS0997T *-* 8:ADDRESS 'JOBTRAC' "MOD JOB("JOB1") DEP(-M)"
OPS0997T +++ RC(-20)
OPS/MVS
This return code -20 means:
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-20 = 'GSS fails or is not active when the program containing
the ADDRESS statement executes'
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Make sure the GSSA started task is up and running and that the communication with Jobtrac has been established.