SAP Message UCM1006 - The sum of percentage rates for sender &1 is greater than 100 %

Diagnosis
You are maintaining an explicit distribution key with percentages.However, the sum of the percentages for sender &SYST-MSGV1& is morethan 100%.

Procedure
Change the percentages for sender &SYST-MSGV1& so that their sum doesnot exceed 100%.