Error Message :
U2003043 Invalid 'setuid()' call. Error code: ('11' - 'Resource temporarily unavailable')

Intermittently, a user cannot run jobs, but other users can.  The agent log shows an error:

Investigation

Ask for a "ulimit -a" on the user, who started the agent: 

ulimit -a 

address space limit (Kibytes) (-M) unlimited 
core file size (blocks) (-c) 0 
cpu time (seconds) (-t) unlimited 
data size (Kibytes) (-d) unlimited 
file size (blocks) (-f) unlimited 
locks (-x) unlimited 
locked address space (Kibytes) (-l) 64 
message queue size (Kibytes) (-q) 800 
nice (-e) 0 
nofile (-n) 1024 
nproc (-u) 2048 
pipe buffer size (bytes) (-p) 4096 
max memory size (Kibytes) (-m) unlimited 
rtprio (-r) 0 
socket buffer size (bytes) (-b) 4096 
sigpend (-i) 515261 
stack size (Kibytes) (-s) 10240 
swap size (Kibytes) (-w) not supported 
threads (-T) not supported 
process size (Kibytes) (-v) unlimited 

Cause type:
Configuration
Root Cause: User starting the job has too low a ulimit on their account.

Release: AUTWAB99000-11.0-Automic Workload Automation-Base Edition
Component:

The expected values in the ulimit list are the default (1024) or close to it. Increase the -n value to 2048 or higher.

Fix Status: No Fix

Fix Version(s):
N/A

Workaround :
N/A