Solution : https://service.sap.com/sap/support/notes/183219 (SAP Service marketplace login required)
Key words :
error message v1801 'pricing error, additional key words coa settlement, affected condition type exists, overview screen 'billing documents', billing category 'coa settlement', coa billing document, billing documents, program error, coa settlement, mandatory condition &
Related Notes :
175080 | IS-M: Overview of corrections for Release 4.02/2 |