All Jobs submitted to specific Queue fail to run and U0011901 errors are generated

Document ID : KB000087999
Last Modified Date : 14/04/2018
Show Technical Document Details
Issue:
Error Message :
U0011901 UCUQM: Queue 'CLIENT_QUEUE' in client '0100' was not found.

Job submissions in the queue are no longer possible.  In the activity panel the following errors can be seen:

0EMb0000001Umqv.png

In the WP log files deadlocks can be seen.

01 - 20170612/145540.920 - U0003592 Status: '40001' Native error: '1205' Msg: 'Transaction (Process ID 54) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.'
01 - 20170612/145545.114 - U0000006 DEADLOCK
01 - 20170612/145545.114 - U0000006 DEADLOCK

and many messages of the following type:
 
20170612/144924.416 - U0011901 UCUQM: Queue 'CLIENT_QUEUE' in client '0100' was not found.

 
Environment:
OS: Windows Server 2008
OS Version: Windows version 6
Cause:
Cause type:
Defect
Root Cause: This is a bug (Defect DFCT0310602) in older version 9 releases
Resolution:
Update to a fix version listed below or a newer version if available.
 

Fix Status: Released

Fix Version(s):
Automation Engine 9.00A SP10 - Available
Additional Information:
Workaround :
N / A