I had a problem after moving wordpress.
The problem was a blank page and this was at the top
"Fatal error: Allowed memory size of 33554432 bytes
exhausted etc etc"
After looking here and there, the solution was to
open wp-config.php and increase memory by adding
the following line:
and that was it. Sure, it might not fix your problem, but it did fix mine, so try it.
And here's a big problem I had, and all the solutions I have found, failed. This was on my new WHM
panel, won't repeat here the whole story but if you ever get this
problem "Sorry, that domain is already setup (remove it from httpd.conf)" then DO NOT get
into the bowels of your system, just delete the account that has the cpanel you were working on, you can
do this within WHM then
wait a while and then recreate it from scratch.
That's how I solved it myself anyway!
And here's where you get the authorization keys to insert into your WP config file: