Warning: Undefined variable $conn in /home/rqpf0l6r/public_html/barbearia2k/conexao/conexao.php on line 12

Fatal error: Uncaught TypeError: mysqli_set_charset(): Argument #1 ($mysql) must be of type mysqli, null given in /home/rqpf0l6r/public_html/barbearia2k/conexao/conexao.php:12 Stack trace: #0 /home/rqpf0l6r/public_html/barbearia2k/conexao/conexao.php(12): mysqli_set_charset(NULL, 'utf8') #1 /home/rqpf0l6r/public_html/barbearia2k/login.php(6): conexao::getConectar() #2 {main} thrown in /home/rqpf0l6r/public_html/barbearia2k/conexao/conexao.php on line 12