SAP Message BRAIN573 - Input-readiness cancelled: A > formula is being used

Diagnosis
The calculation rule for input-ready formula &V1& uses a %GT formula.This is not allowed.

System Response
The input-readiness of formula &V1& is revoked.

Procedure
Change the calculation rule so that no %GT formulas are used, or orrevoke the input-readiness of formula &V1&.