SAP Message RMSATLVAL015 - Class of value assgt type &1 contains at least one invalid characteristic

Diagnosis
For process parameters, you use classes with the characteristics thatbelong to them. For further developments at a later stage, thecharacteristics you use for the value of the processparameter must contain the following character strings in the key:
Character string,,Meaning of characteristic
__MINMAX__,,Minimum and maximum value
__TARGET__,,Target value
__UOM__,,Unit
To avoid problems when changing releases later on, each of thesecharacter strings may only occur once in the characteristics of a classfor a process parameter, that is, the class may only contain onecharacteristic for the minimum and maximum value, only onecharacteristic for the target value, and only one characteristic for theunit. However, the class of value assignment type &V1& contains at leastone of these characteristics more than once.

Procedure
Notify your system administrator.

Procedure for System Administration
Correct the definition of the class for value assignment type &V1&.