How To Fix GS764 - El exit & no puede emplearse en fórmulas.

SAP Error Message - Details

• Message type: E = Error

• Message class: GS - Sets

• Message number: 764

• Message text: El exit & no puede emplearse en fórmulas.

¿Qué causa este problema?

You want to use the formula exit &V1& together with other operators and
operands in a formula variable. Formula exit &V1& is however
alphanumeric, the result of this exit cannot always be converted into a
numerical value.

Respuesta del sistema

The entry is rejected.

¿Cómo arreglar este error?

Either use a numerical formula exit or define the formula in such a way
that it only contains formula exit &V1&. If a formula contains no other
parts, alphanumeric formula exits can also be evaluated.

Extracto de mensaje de error del sistema SAP. Copyright SAP SE.