SAP ABAP Message Class IU (Incremental conversion) is used by

• Class (2)
• Function Module (8)
• Program (24)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	DB_TABL_CNV	Execute an action of the DB utility	SICN	BASIS	SAP_BASIS
2	Function Module	DD_CLUSTER_ALIAS_ACT	DD: Generates an alias for logical cluster tables	SICN	BASIS	SAP_BASIS
3	Function Module	DD_DB_ICNV	DD: Reload from tables to be converted	SICN	BASIS	SAP_BASIS
4	Function Module	DD_DB_IMIG_PREP_FILES	DD_DB_IMIG_PREP_FILES	SICN	BASIS	SAP_BASIS
5	Function Module	DD_ICNV_LOG_LIST	DD_ICNV_LOG_LIST	SICN	BASIS	SAP_BASIS
6	Function Module	DD_ICNV_PREPARE	DD_ICNV_PREPARE	SICN	BASIS	SAP_BASIS
7	Function Module	DD_ICNV_PREPARE_INT	DD_ICNV_PREPARE_INT	SICN	BASIS	SAP_BASIS
8	Function Module	DD_TABL_CNV_LOCK	DD: Lock a table for conversion	SICN	BASIS	SAP_BASIS