Automation Engine jobs being executed on an OS/400 Agent are randomly receiving the status:
U00011013 U00011013 Job 'XYZ' (RunID '1234567890' / Workflow RunID '1234567890') on Host 'UC4_PROD' has disappeared. Remote ID=0
This issue has been corrected and is currently planned for release in the following versions:
Automation Engine 12.1.4 - available
Automation Engine 12.2.2 - middle of February 2019
Automation Engine 12.3.0 - end of February 2019
Please download and install one of the above mentioned or higher versions to obtain the correction.