This tip is very useful for Master Data LSMWs that updates many fields. Usually it happens that during a specific project we realise a need to update specific fields. We design these LSMWs in such a way that these values supplied in the input file is updated in the master file. Later on we try to reuse the LSMW for updating a subset if these fields. If we leave the values of other fields blank in the input file, depending on how the LSMW conversion rules were designed, the the master data will be updated with initial values. Common practice in many organisations is to create a new LSMW for the new set of fields. This is not required if the LSMW uses Direct Input. Direct input uses a special character to denote no value. The default is "/". This allows us to reuse the LSMW. Reformat the input text file and fill fields that are not to be disturbed with this character. For example if the LSMW is for updating the following fields 1. storage bin 2. picking area 3. reord...
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