Warning: Undefined variable $image_lock in /var/www/vhosts/iconicarchive.ch/httpdocs/iconiclimc/includes/filters/show_metadata_tif.php on line 24

Warning: Undefined variable $image_lock in /var/www/vhosts/iconicarchive.ch/httpdocs/iconiclimc/includes/filters/show_metadata_tif.php on line 33
<div class="thumbnail">
Fatal error: Uncaught ValueError: exif_thumbnail(): Argument #1 ($file) must not be empty in /var/www/vhosts/iconicarchive.ch/httpdocs/iconiclimc/includes/filters/show_metadata_tif.php:44
Stack trace:
#0 /var/www/vhosts/iconicarchive.ch/httpdocs/iconiclimc/includes/filters/show_metadata_tif.php(44): exif_thumbnail('', NULL, NULL, NULL)
#1 {main}
  thrown in /var/www/vhosts/iconicarchive.ch/httpdocs/iconiclimc/includes/filters/show_metadata_tif.php on line 44