SAP ABAP Class CX_CONFIGURATION_ERROR (RFC server group in RZ12 configured incorrectly) is used by

• Class (2)
• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	QDEST_SCHEDULER_ACTIVATE	Evtl. QOUT-Scheduler aktivieren	SRFC	BASIS	SAP_BASIS
2	Function Module	QIWK_CHECK_AND_RUN	QIWK_CHECK_AND_RUN	SRFC	BASIS	SAP_BASIS
3	Function Module	TRFC_QIN_RESTART	TRFC_QIN_RESTART	SRFC	BASIS	SAP_BASIS