SAP Message UPC_FW158 - Variable &1 contains more than 10,000 characteristic values

Diagnosis
Variable &1 contains more than 10,000 characteristic values.
Such a large number of values is not intended and cannot be processed bythe internal structures in the program. Therefore this restriction isimposed as such a large number of characteristic values can causeextreme losses in terms of performance.

Procedure
Restrict the area of the selected characteristic values for variablesfurther.
With the authorization type variable, the authorization is too generalin this case.
If this is a variable of type hierarchy, the node selected is notsufficiently restricted. Choose a node that does not contain more than10,000 values.
If this is a variable with the replacement type user exit, modify theappropriate exit so that its output remains under the predeterminedlimit of 10.000 characteristic values.