TCMS_PCN_PLMSG is a standard SAP Table which is used to store Messages associated to Plausibility data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TCMS_PCN_PLMSG table consists of various fields, each holding specific information or linking keys about Messages associated to Plausibility data available in SAP. These include PROC_OBJ (Process Object), PL_CHECKID (Plausibility Check), MSG_CLASS (Application Area), MSG_NUMBER (Message number)... 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. .