// conector.php (Deve estar exatamente assim, sem quebras de linha antes)
<br />
<b>Fatal error</b>:  Uncaught mysqli_sql_exception: Access denied for user 'copafacetocom'@'localhost' (using password: YES) in /home/copafacetocom/public_html/4copasextou/conector.php:13
Stack trace:
#0 /home/copafacetocom/public_html/4copasextou/conector.php(13): mysqli_connect('localhost', 'copafacetocom', 'cia2015@@', 'copafacetocom_B...')
#1 /home/copafacetocom/public_html/4copasextou/sumulas4copasextou.php(7): require('/home/copafacet...')
#2 {main}
  thrown in <b>/home/copafacetocom/public_html/4copasextou/conector.php</b> on line <b>13</b><br />