3098108 - Sales document type GA2 cannot be invoiced with billing type IG

You are following the processes of scope item 2F4, however you are getting an error message when trying to create the internal credit memo:
Sales document type GA2 cannot be invoiced with billing type IG.

SAP S/4HANA Cloud.

It is not possible to create internal credit memo billing document with regarding to the credit memo request.

According to 2F4 scope item test script, the internal credit memo billing document should be created by referring to the Return delivery document.

Scope Item - Intercompany Process for Customer Returns (‏2F4‏)

https://rapid.sap.com/bp/#/browse/scopeitems/2F4

Please refer to test steps:

4.7.2 Create Internal Credit Memo
Test step 5 - Choose SD Document: Select the row of return delivery document created previously and choose Create.

4.8.8 Create Internal Credit Memo
Test step 5 - Choose SD Document: Select the row of return delivery document created previously and choose Create.

IG, 2F4, internal credit memo, Sales document type * cannot be invoiced with billing type *, Sales document type, cannot be invoiced with billing type , KBA , SD-BIL-IV , Processing Billing Documents , How To

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