To ensure the software's stability you must follow some steps every few days
Delete logs from TOOLS menu one by one
In manage servers menu—> Edit main server—> Add SSH password—> Save—> Full reload Main Server
Once your Main Server comes up, full reload your LBS
When all your Servers are up, go to DATABASE MANAGER and run FIX AND OPTIMIZE
If you try to change settings in your panel, but they remain the same you should also try to change your browser or use it in incognito mode.