I want to post FI document FB01 with a profitability segment. I was trying to use FM 'POSTING_INTERFACE_DOCUMENT' for posting but for the profitability seg subscreen, it's a structure (similar to table control recording) 'RKEAK-FIELD(02)' so the function module could not find the proper screen for those fields. Is there any other method to post FB01 with a profitability segment?
If the function uses a call transaction as you describe and runs into an error you my want to submit the issue to OSS. It is either that your scenario is not yet supported or it is simply an error. Indeed, the call transaction should not run into a hanging screen, but check for consistency first.
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