Solution : https://service.sap.com/sap/support/notes/416837 (SAP Service marketplace login required)
Key words : 
additional key words ljhfvf01, cluster table konv, runtime error dbif_rsql_no_memory, billing documents, termination occurs, program sapljhfv, abap/4dbif_rsql_no_memory, payer / payee, conditions, prerequisites
Related Notes : 
       
| 108328 | DBIF_RSQL_NO_MEMORY during access to cluster table |