( problem ) Fatal error: Allowed memory size of 134217728 bytes exhausted lib/Doctrine/Connection.php

[eluser]mddd[/eluser]
You are using up A LOT of memory: 128 MB, it looks like.
So the problem is probably that you are loading a lot of stuff and not closing those files/connections/whatever.
If you are handling data, make sure you remove those variables/objects when you're done with them.