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Reason:
A program is trying to update a data set with DISP=SHR specified in its JCL, and the name of that program has been specified on the CHECKEXCLUSIVE parameter. The CHECKEXCLUSIVE parameter usually contains the names of programs that retrieve information from the DSCB of the data set before issuing an OPEN request so that the EDIF ENQ serialization method is not effective. If the operation is allowed to proceed, then data set damage may result.
The name of the program is shown in place of the name variable, and the dsname of the data set is shown in place of the dsname variable. If the ABEND option is in effect for this data set, then EDIF abends the program and issues message MIM4008. Otherwise, EDIF lets the update occur.
Action:
Specify the ABEND option on an EDIF processing statement if you want to prevent this update. Then issue a SETOPTION MEMBER command to make your changes take effect immediately. Otherwise, remove the name of the program from the CHECKEXCLUSIVE parameter.
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