FMPSO_ZTAB is a standard SAP Table which is used to store data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FMPSO_ZTAB table consists of various fields, each holding specific information or linking keys about data available in SAP. These include USNAM (User name), ABSCHLGRP (Closing Group (Day-End Closing))... 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. .