SAP ABAP Message Class E4 (Program maintenance functions within development system) is used by

• Class (5)
• Function Module (5)
• Program (16)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_FB_ADT_RES_FUGR_INCLUDE Method: DELETE	Resource controller for programs and includes	SFUNC_ADT	BASIS	SAP_BASIS
2	Class	CL_FUNCTION_BUILDER_POOL Method: FU_ABAPUNIT_TESTCL_DELETE	Function Group Administration	SFUNC	BASIS	SAP_BASIS
3	Class	CL_O2_XSLTDESC Method: COPY	Tool for XSLT Programs	SXSLT_TOOL	BASIS	SAP_BASIS
4	Class	CL_OO_CLASS_BUILDER Method: PROCESS_OP_COPY	Class Builder	SEOE	BASIS	SAP_BASIS
5	Class	CL_WB_PGEDITOR Method: COPY	Program Editor Class	SEDI	BASIS	SAP_BASIS