15. VIFRED Field Specifications : Derived Fields : Guidelines for Specifying Derivation Formulas : Circular References in Derivation Formulas
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Circular References in Derivation Formulas
A circular reference occurs when Field_A depends on Field_B which, in turn, depends on Field_A. VIFRED does not allow circular references in derivation formulas. VIFRED checks for circular references at form initialization and at form save times. If it finds a circular reference, VIFRED displays an error message. You must correct the problem before VIFRED can save the form.