Got error when loging into the user interface of CA compliance event manager for the first time

Document ID : KB000107068
Last Modified Date : 23/07/2018
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We are installing CA compliance event manager.
After we configured the product and brought up the started tasks on system, we tried to login to the user interface for the first time.
It shows a Generate missing configuration files message, so we clicked Generate, but then we got the error message below: (Please refer to the attached file for the screenshot)
Error generating login.json: /_PRDS/CACEM/cai/cacem/tomcat/conf/cmgr_config.xml (EDC5129I No such file or directory.)
It shows the file doesn't exit in this directory on the system.
Missed submitting a configuration JOB. 
Submitted the configuration job