Deprecated: getimagesize(): Passing null to parameter #1 ($filename) of type string is deprecated in /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/controllers/element_main.inc.php on line 59

Fatal error: Uncaught ValueError: Path cannot be empty in /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/controllers/element_main.inc.php:59
Stack trace:
#0 /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/controllers/element_main.inc.php(59): getimagesize()
#1 /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/controllers/projects_show.inc.php(53): getImageOrientation()
#2 /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/main.php(113): include('...')
#3 {main}
  thrown in /mnt/web123/c1/73/5303373/htdocs/smarthoming2015/controllers/element_main.inc.php on line 59