Ocorreu um erro na query: INSERT INTO estatistica (numevento, nomeequipe, acessos, data_acesso) VALUES (, 'Manuel F.J.C.M. Simas ', '1','2019-07-17 20:35:55') ON DUPLICATE KEY UPDATE acessos = acessos + 1, data_acesso ='2019-07-17 20:35:55'
O erro retornado foi: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' 'Manuel F.J.C.M. Simas ', '1','2019-07-17 20:35:55') ' at line 2