FIP_D_SUBST_C is a standard SAP Table which is used to store Customizing Table Extension Logic data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FIP_D_SUBST_C table consists of various fields, each holding specific information or linking keys about Customizing Table Extension Logic data available in SAP. These include SUBST_RUN (Activate Substitution Processing), MSG_LOG_ACTIVE (Activate the Application Log for object FIP/SUBST_GR), MSG_INFO_TYPE (Material Subst.: Message Types for Application Log), DAYSNO_DELETE_WL (Number of days until deleting the enteries from work list)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .