SAP ABAP Message Number E4 - 026 (E4) is used by

• Function Module (3)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CLM_CWB_MSID_ADD	CLM_CWB_MSID_ADD	SECE	BASIS	SAP_BASIS
2	Function Module	RS_COPY_MESSAGE_ID	Copy Message Class	SEU	BASIS	SAP_BASIS
3	Function Module	RS_RENAME_MESSAGE_ID	Rename Message Class	SEU	BASIS	SAP_BASIS