KPP1PHRI is a standard SAP Table which is used to store KPP: Incoming relationships of physical info objects data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The KPP1PHRI table consists of various fields, each holding specific information or linking keys about KPP: Incoming relationships of physical info objects data available in SAP. These include REP2_ID (Physical document), REIO_ID (Relationship between logical and physical documents), REP2_CLASS (Document class), RE_CLASS (Relationship class)... 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. .