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Fatal error: Uncaught mysqli_sql_exception: 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 '' at line 1 in /home/comag/public_html/batch/include/class.coeficiente.php:43 Stack trace: #0 /home/comag/public_html/batch/include/class.coeficiente.php(43): mysqli_query(Object(mysqli), 'select * from c...') #1 /home/comag/public_html/ecommers/index.php(29): COEFICIENTE::getPorSeccion(NULL) #2 {main} thrown in /home/comag/public_html/batch/include/class.coeficiente.php on line 43