Fatal error: Uncaught Error: Class "mikehaertl\tmp\File" not found in /home/colih/public_html/dev/vendor/mikehaertl/php-pdftk/src/XfdfFile.php:52 Stack trace: #0 {main} thrown in /home/colih/public_html/dev/vendor/mikehaertl/php-pdftk/src/XfdfFile.php on line 52