FRM-41370: Cannot modify calculated item %s.%s.
Cause: Application design error. The application attempted to assign a value to a calculated item.
Action: If the calculated item is a formula item, then its formula determines its value at all times. It may be appropriate to modify the formula. Or it may be appropriate to change the calculated item to a non-calculated control item whose value is set in various triggers.
Trigger: ON-ERROR