The following error is present in logs, messages and generates flush ring trace:
20200127/121921.414 - U00015006 System forced memory trace dump.
20200127/121921.414 - U00003631 Dump caused by:
20200127/121921.414 - U00005118 Program error: Database access via key 'EH_Client' with value 0 in module 'UCGENX_R'.
20200127/121921.414 - U00011801 Error in Server routine 'UCGENX_R', Server: 'UC4PRD#WP005' AE system: 'UC4PRD'.
Cause of this is currently unknown; information gathering steps can be seen below
Release : 12X
Component : AUTOMATION ENGINE
If you notice the tracedumps generated with such error, please collect the following information:
Set the trace to tcp/ip=2 and db=4 on WPs and CPs in AWI and leave the memory checkbox on for the WPs, so the information will be visible in the forced trace. Collect logs and traces located in AutomationEngine\temp folder (path may vary depending on you environment set up).