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FRM-41390: Cannot set REQUIRED Property of subordinate mirror item %s.%s.

Cause:  Application design error. A SET_ITEM_PROPERTY or SET_ITEM_INSTANCE_PROPERTY Built-in attempted to set the Required property of a subordinate mirror item. Since the form's Runtime Compatibility Mode is 5.0, the Required property will be obtained from the master mirror item (the item specified by the Synchronize with Item property).

Action:  Set the Required property of the master mirror item.

Level:  25

Type:  Error