If you are sure that you are using the correct details and you still cannot login to your panel
  - Try to use incognito mode browser
  - Try to login with default login details
  - Try to login with your created admins login details
  - Check if your main server is working
  - If you try all the above, enter main server and run: 
  * service mysql restart   and wait for the server to respond
  * /home/streamcreed/start_services.sh
  * Try to login again