Solution : https://service.sap.com/sap/support/notes/1246837 (SAP Service marketplace login required)
Key words :
authorization check reason, crm rebate processing, remote function calls, successful authorization check, authorization object s_rfc, crm system communicates, terms s_rfc, erp system, target system, executing user
Related Notes :
| 931251 | Security Note: Authority Check for Function Modules |