SAP Message UPF145 - A comma and other arguments were expected instead of &1

Diagnosis For this function other arguments must be transferred. This argumentconcerns formula variables with characteristic values of fields to bechanged. These fields are in the key of the master data table of thecharacteristic and cannot be determined from the values in the package.Also see Characteristic Compounding. Procedure Enhance the formula by entering a comma and the name of a variable here.The variable has to be declared with DATA and has to be a characteristicthat is to be changed.