Symptoms
I get an error like the following when trying to access WHM.
undef error - “/var/cpanel/plugins/components/homebanner.json” is empty. at /usr/local/cpanel/Cpanel/JSON.pm line 661. Cpanel::JSON::_LoadFile("/var/cpanel/plugins/components/homebanner.json", 0, 0, undef, 0) called at /usr/local/cpanel/Cpanel/JSON.pm line 571
...
Cause
The file /var/cpanel/plugins/components/homebanner.json has been modified or corrupted on the server.
Resolution
Reinstall cPanel plugin packages.
dnf reinstall cpanel-plugin-*
