Solution : https://service.sap.com/sap/support/notes/725065 (SAP Service marketplace login required)
Key words :
error status e04, error message bupa_tax200, terms bp_exchange_r3_bp_to_crm reason, attached advance correction, swap business partners, tax number category &1, tax number, business partner, sales area, kna1-stceg
Related Notes :
436843 | IS-M/CRM: Business partner exchange between CRM and IS-M |