Warning: Undefined array key "HTTP_ACCEPT_LANGUAGE" in /mnt/web615/a0/18/56745118/htdocs/www/franz/get_language.php on line 22

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /mnt/web615/a0/18/56745118/htdocs/www/franz/get_language.php on line 22

Warning: Undefined variable $werktitel in /mnt/web615/a0/18/56745118/htdocs/www/franz/translations/lang.en.php on line 160
<link href="https://www.robertfranz.org/css/bootstrap.css" rel="stylesheet" type="text/css">
<link href="https://www.robertfranz.org/css/bootstrap-theme.css" rel="stylesheet" type="text/css">
<link href="https://www.robertfranz.org/css/style.css" rel="stylesheet" type="text/css">
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.6.1/css/font-awesome.min.css"/>

Fatal error: Uncaught Error: Undefined constant "id" in /mnt/web615/a0/18/56745118/htdocs/www/franz/embed/object.php:16
Stack trace:
#0 {main}
  thrown in /mnt/web615/a0/18/56745118/htdocs/www/franz/embed/object.php on line 16