Solution : https://service.sap.com/sap/support/notes/74781 (SAP Service marketplace login required)
Key words : 
additional key words mrrs rmmr01rs, symptom evaluated receipt settlement, index table ekrs, database access, prerequisites design, advance corrections, section corrections, performance
Related Notes : 
       
| 85152 | ERS procedure: Runtime error BCD_BADDATA | 
| 84963 | ERS: Error in return deliveries (mvmt type 122) |