SAP Message UCM1007 - The sum of percentage rates for sender &1 does not equal 100 %

Diagnosis You are maintaining an explicit distribution key with percentages whosesum must equal 100%. However, the sum of the percentages for senderSyst-msgv1 does not equal 100%. Procedure Change the percentages so that the sum for sender &SYST-MSGV1& isexactly 100%.