Im getting the below error when i access plesk. please fix it
Error: The license key is invalid. In order to use the Panel, you need to obtain and install a new valid license key.
The amount of currently used resources overrides the limits defined by your license.
The number of websites hosted on the server exceeds the limits defined by your license. You have 4 sites hosted; your license allows hosting only 0 sites.
The number of served e-mail accounts exceeds the limits defined by your license. You have 17 e-mail accounts currently served; your license allows serving only 0 e-mail accounts.
Error: The license key is invalid. In order to use the Panel, you need to obtain and install a new valid license key.
The amount of currently used resources overrides the limits defined by your license.
The number of websites hosted on the server exceeds the limits defined by your license. You have 4 sites hosted; your license allows hosting only 0 sites.
The number of served e-mail accounts exceeds the limits defined by your license. You have 17 e-mail accounts currently served; your license allows serving only 0 e-mail accounts.