Solution : https://service.sap.com/sap/support/notes/417514 (SAP Service marketplace login required)
Key words :
additional key words arfc, patch level 62640b, patch level 86345b, patch level 70746d, patch level 689610, patch level 7, symptom execution, asynchronous rfcs, wait terminates, error message
Related Notes :
420741 | Short dump CALL_FUNCTION_WAIT_ERROR "*áêê*" |
121998 | ABAP runtime error: CALL_FUNCTION_WAIT_ERROR |