Warning: Undefined array key "wert" in /home/.sites/114/site1064/web/myimage.php on line 31

Fatal error: Uncaught mysqli_sql_exception: Unknown column '' in 'field list' in /home/.sites/114/site1064/web/myimage.php:34
Stack trace:
#0 /home/.sites/114/site1064/web/myimage.php(34): mysqli_query(Object(mysqli), 'SELECT `` FROM ...')
#1 {main}
  thrown in /home/.sites/114/site1064/web/myimage.php on line 34