Check(IBMSLIP,SLIP_PER) found an exception condition. A SLIP PER trap has been continuously active for longer than the defined duration. If this trap was the target of an ACTION=TARGETID trap, then the time interval actually began with the enablement of the first trap in the TARGETID chain, not with the currently active trap. An unnecessary PER trap could cause degraded performance.
The system continues processing.
Report this problem to the system programmer.
If the SLIP PER trap is no longer needed, use the SLIP DEL,ID=xxxx command to delete it or the SLIP MOD,ID=xxxx,DISABLE command to disable it. The check's parameter is displayed within the check's message buffer. This parameter identifies the defined duration.
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SLIP (SCSLP)
IEAVTSHC
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"SLIP command" in z/OS MVS System Commands.