I am trying to create material BOMs using LSMW direct input method using program RCSBI010. I want to update Item ID.(Externa ID) to avoid duplicate item no.(POSNR).Which field of srtucture BICSP shuld I use for this purpose?
If the requirement is to have unique nos. in Item ID field in BOM, then just upload with data in the LSMW w/o specifying any Item ID, system will auto populate the field with unique nos., as mentioned in my earlier posting.
But if the requirement is to manually specify the Item ID in the upload field, then the method you have adopted does not help. You might want to consider writing a Z program by calling the FM - CSAP_MAT_BOM_CREATE or in LSMW using the same FM.
If you're not the technical person, then get in touch with your abaper who will do the needful.
you need not to add item ID in the upload file, in a second upload file you just need to enter ICt, component, quantity and unit, rest will be updated all by itself.
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