After i buyed the Plugin "MySqlConnector" and installed it in my engine(5.0.2) and tryed to open any of my projects but it didnt work. Can someone help me?

There is this error:
Plugin ‘MysqlConnect’ failed to load because module ‘MysqlConnect’
could not be loaded. There may be an operating system error or the module may not be properly set up.

Please Help me.