Did you select "Sign Change" in Attribute in Replacement tab?
http://help.sap.com/saphelp_nw04/helpdata/en/03/6ba03cc24efd1de10000000a114084/content.htm
Did you select "Sign Change" in Attribute in Replacement tab?
http://help.sap.com/saphelp_nw04/helpdata/en/03/6ba03cc24efd1de10000000a114084/content.htm