EVENT LOG indicates the following:
"Notice: Post will not open more than 1990 cursors per session (OPEN_CURSORS - 10). [sp_opst_mt (for o.FINPROD0-o.FINREP0 queue egluprd01)/13490]
Error: Unexpected Oracle error: ORA-01654: unable to extend index EGLCUST.EGL_AXE0001_STG_U2 by 61446 in tablespace EGLCUSTD. (object name: "EGLCUST"."EGL_AXE0001_STG") [sp_opst_mt (for o.FINPROD0-o.FINREP0 queue egluprd01)/13490]
Process exited sp_opst_mt (for o.FINPROD0-o.FINREP0 queue egluprd01) [pid = 13490] - exit(1)"
Your tablespace ran out of space where the index resides.
Fix the Oracle error and start the database.