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Compile (CM) Messages › › IDCMDVWS02 - With a non-unique key, VSAM position may be lost.

IDCMDVWS02 - With a non-unique key, VSAM position may be lost.

Reason:

The execution of a FOR statement, based on a non-unique index for the VSAM data set that was updated, cannot be resumed following the update or deletion.

Action:

Access the DATAVIEW with a unique key.