SAP Message 6A415 - &1: name &2 is not a variable name

Diagnosis In block &V1& of the control table for the representative list of rentsyou are using the variable name &V2&. However, this text is notassigned to any variable in Customizing (at least not in language &V3&,the maintenance language for the representative list of rents). System Response The formula cannot be interpreted. Procedure Use a valid variable name. Procedure for System Administration Variable names are assigned to the variables in table TIVO1T.