wahat does means this kind of error?

MySQL Query ( INSERT INTO comments (imageid, name, email, website, comment, date) VALUES ('17', 'marcobo', 'borma@email.it', 'http://ciccio.it', 'pippo', NOW()) ) Failed. Error: INSERT command denied to user 'Sql116708'@'62.149.140.117' for table 'comments'

I wait your help!

thanks

Your mySQL permissions are not set right. Check the usercode/password you configured for mySQL in zp-config.php. Is it the mySQL admin account?

yes!