Fatal error: Uncaught Error: Interface "iio\libmergepdf\Source\SourceInterface" not found in /home/colaborativa/public_html/tu-entrada-frontend/vendor/iio/libmergepdf/src/Source/FileSource.php:14 Stack trace: #0 {main} thrown in /home/colaborativa/public_html/tu-entrada-frontend/vendor/iio/libmergepdf/src/Source/FileSource.php on line 14