Consider Our jamroom hosting.
Then check your servers error logs. We need to figure out what the error is in order to figure out how to fix it.
Since you cant get into your ACP to check the jamroom server logs. See what logs exist via FTP at:
/data/logs
Look for:
/data/logs/error_log
and see if that contains anything.
Also try the steps for "Manually Clearing the Caches" and "If you cant get to the ACP" from here:
https://www.jamroom.net/the-jamroom-network/documentation/problems/114/somethings-wrong-what-do-i-do
updated by @michael: 11/26/16 06:44:41AM