FMCOMBK is a standard SAP Table which is used to store Additional lines in BL for Combined Documents - Header data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FMCOMBK table consists of various fields, each holding specific information or linking keys about Additional lines in BL for Combined Documents - Header data available in SAP. These include COMB (Combined Document Predecessors)... 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. .