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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 C:\Apache24\htdocs\lab\domomatic\cambiaFlag.php:15 Stack trace: #0 C:\Apache24\htdocs\lab\domomatic\cambiaFlag.php(15): mysqli->query('UPDATE DBdomoti...') #1 {main} thrown in C:\Apache24\htdocs\lab\domomatic\cambiaFlag.php on line 15