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LSMW for change bom issue

Dear Expert  :

when using direct input method for updating bom I have this issue:

the update I want to do is adding a material to some bom, when i create the lsmw , every thing is fine , when executing all existed items are deleted and the new item is created . o i dont know why the other items are deleted and who to prevent that ?

Appreciate ur help.

Former Member

Hello Amal,

The flat file created for the mass change contains only those components which are to be changed.  program RCSBI020 or RCSBI090

The flat file must contain all the components of the BOM, even those that are not to be changed. Then when the components in the flat file for the changed BOM is compared with the existing BOM the difference between the two is used for the update with transaction CS02.

Please refer,

Mass upload of BOM

Best Regards,


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