https://userapps.support.sap.com/sap/support/knowledge/en/3675868
3675868 - Field RBUSA is not available when executing GLCF in ECC system. | SAP Knowledge Base...
When assigning value RBUSA using transaction code GLCF, system raised an error FAGL_LEDGER_CUST035 - "Entering field RBUSA is not permitted. Use input help to...