Once our client opened a ticket saying that he cannot login DirectAdmin control panel. This is actually a simple troubleshoot but I have googled it a lot and gone mad for hours to find it . Note that this was almost a year back and I think now it can be googled easily.
When logging into the Direct admin control panel you will encounter this error.
Your connection has timed out Details - Consider disabling the Folder Usage Count.
Solution:
1) Edit /usr/local/directadmin/conf/directadmin.conf
Then set the value such as
filemanager_du=0
2) Edit /usr/local/directadmin/data/task.queue
action=directadmin&value=restart
3) Run the following command
# /usr/local/directadmin/dataskq