SSH into your WHM server as root and run the following command:

nano /usr/my.cnf

Paste the following at the end of the file:

<span class="pln">sql_mode</span><span class="pun">=</span><span class="pln">NO_ENGINE_SUBSTITUTION</span>

Next, edit my.cnf in /etc

nano /etc/my.cnf

Paste the following at the end of the file:

<span class="pln">sql_mode</span><span class="pun">=</span><span class="pln">NO_ENGINE_SUBSTITUTION</span>

Restart MySQL

service mysql restart