SAP Note 23131 - T019, fb01, screen 320 instead of 302

Symptom:

In FB01 or a derivative thereof (z.B. F-43), screen number 320 appears where 302 or 2302 are expected, as soon as an open item account line item is to be entered.

Cause and prerequisites

Incorrect configuration of the posting cash discount.

Solution
The reconciliation account contains tax category <>. This is incorrect. - for <> is correct (meaning has slightly changed from R/2 to R/3).

Additional key words

SAPMF05A, F-43, F-22, FB01