FMCHA1 is a standard SAP Table which is used to store Work List for Reassignment Tool data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FMCHA1 table consists of various fields, each holding specific information or linking keys about Work List for Reassignment Tool data available in SAP. These include REFBN (Reference Document Number), RUNNR (Reassignment run number), REFBT (Reference document category), RFORG (Reference Organizational Units)... 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. .