It may happen that multiple Working Processes (WPs) crash at the same time and generate a Core dump with the message below :
20200325/103552.586 - Signal 11 (SEGV) at 0x41ead3ef with code 1
Release : 12.3
Component : AUTOMATION ENGINE
Analysis ongoing from Sustaining Engineering.
They confirmed this is a bug in the code.
A fix will be available in future release.