undef error - “/var/cpanel/plugins/components/homebanner.json” is empty

Symptoms

I get an error like the following when trying to access WHM.

CONFIG_TEXT: 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-*