SAP Message RSDS199 - Selection condition is inconsistent and creates empty amount

Diagnosis
The specified selection condition defines an empty set. This can be thecase for example in combined selections of the following form:
FIELDNAME,,SIGN,,OPTION,,LOW,,,, Meaning
MATNR,,E (Exclusive),,NE (Not equal),,4711,,,, No value not equal to4711
MATNR,,E,,NE,,4712,,,, No value not equal to 4712

Procedure
Change your selections.