SAP ABAP Message Number SPRUI - 016 (SPRUI) is used by

• Class (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_PROXY_UIXM_TREE_DATA_BASE Method: CHECK_SOURCE_OBJECT	base tree data class for MDR	SAI_PROXY_UI_MDR	BASIS	SAP_BASIS
2	Class	CL_PROXY_UIXM_TREE_DATA_PTD Method: CHECK_SOURCE_OBJECT	Tree data for processing type domain	SAI_PROXY_UI_MDR	BASIS	SAP_BASIS
3	Class	CL_PROXY_UIXM_TREE_DATA_SCON Method: CHECK_SOURCE_OBJECT	Tree data for semantic contract	SAI_PROXY_UI_MDR	BASIS	SAP_BASIS