We use LSMW version 4.0.0. After Upgrade of 4.7 on mySAP ERP 2005 parts of Fieldmappings are no longer present. Project concerned has the following characteristics: Business Object method BUS1001006 method SAVE DATA. Use Extension E1BPPAREX/E1BPPAREXX The Fieldmapping to the Extension is missing. Unfortunately the 4.7-System is not present, so that I cannot make from the system a reconstruction.