FMAVCC is a standard SAP Table which is used to store Object table 2 data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FMAVCC table consists of various fields, each holding specific information or linking keys about Object table 2 data available in SAP. These include OBJNR (Object number for FI-SL tables), CEFFYEAR_9 (Year of Cash Effectivity), WFSTATE_9 (Workflow Status of a Record in the AVC Totals Table), ALLOCTYPE_9 (Amount Type (Availability Control))... 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. .