Users can not log into "LVE Manager" in custom control panel

Issue

• After configuring control panel integration users can not log into "LVE Manager" the following error can be seen in the web browser dev console:

  ReferenceError: panelName is not defined

Environment

• CloudLinux OS
• Third-party control panel, not supported out of the box.

Solution

As a workaround, disable the CSP flag

# touch /var/lve/disable_csp.flag

Cause

Product bug WEB-2585.