DWW999I CICS VR ZZVALUE SERVICE REQUEST IS REJECTED. error

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CICS VR detected an invalid ZZVALUE parameter string or the ZZVALUE parameter string contains a non-applicable control ZZVALUE (ZZVALUE command). The invalid ZZVALUE parameter string or non-applicable control ZZVALUE (ZZVALUE command) is ignored.

In the message text:
The following is the list of possible errors:
INVALID ZZVALUE PARAMETER STRING.
An invalid ZZVALUE parameter string detected.
ZZVALUE TABLE IS EMPTY.
A START ZZVALUE command detected when the ZZVALUE table is empty.
DIAGNOSTIC SESSION IS ACTIVE.
A START ZZVALUE command detected when a diagnostic session is active.
DIAGNOSTIC SESSION IS NOT ACTIVE.
A STOP ZZVALUE command detected when a diagnostic session is not active.
UNEXPECTED ERROR.
An unexpected error occurred.

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The system continues processing.

Operator response

Correct the CICS VR_ZZVALUE_PARM parameter in the active IGDSMSxx member of SYS1.PARMLIB or reissue (if required) the SETSMS CICS VR_ZZVALUE_PARM operator command with a valid ZZVALUE parameter string or an applicable control ZZVALUE (ZZVALUE command).