BUPPSTFIELDS is a standard SAP Table which is used to store Fields Which Can be Changed in Preposted Documents data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The BUPPSTFIELDS table consists of various fields, each holding specific information or linking keys about Fields Which Can be Changed in Preposted Documents data available in SAP. These include DTEL (Data element (semantic domain) of field), FLG_CHANGE (Field is Changeable in Budget Document?)... 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. .