The STGMDL parameter is not supported for target release %1.
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Cause . . . . . : The storage model (STGMDL) parameter is not supported in any release prior to V7R1M0.
Recovery . . . : Omit the STGMDL parameter, or specify STGMDL(*SNGLVL), or change the target release option to a supported release which is either V7R1M0 or higher.