TKB4E is a standard SAP Table which is used to store Original Settlement Structure data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TKB4E table consists of various fields, each holding specific information or linking keys about Original Settlement Structure data available in SAP. These include URSCH (Source structure), URZUO (Source Assignment), KOKRS (Controlling Area), FNAME (Source)... 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. .