Solution : https://service.sap.com/sap/support/notes/133961 (SAP Service marketplace login required)
Key words :
additional key words posting interface, account symbol account assignment ref, customer master record providing, customer account symbol, customer master data, company code xxxx, error message f5 355, predefined reconciliation account, customer account, posting category 2
Related Notes :
| 166556 | Posting to customer a/c: G/L accts in flow incorr. |
| 90044 | Posting to customer a/c: application & Customizing |