BCOS_PROT is a standard SAP Table which is used to store Create Messages: Log File data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The BCOS_PROT table consists of various fields, each holding specific information or linking keys about Create Messages: Log File data available in SAP. These include SDATE (System Date), STIME (System Time), SHTEXT (Short text of message), POINTER (Comment)... 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. .