Fatal error: Uncaught Error: Class 'Smalot\PdfParser\Encoding\AbstractEncoding' not found in /var/www/html/apps/dialogflow/pdf/Encoding/ISOLatin1Encoding.php:40 Stack trace: #0 {main} thrown in /var/www/html/apps/dialogflow/pdf/Encoding/ISOLatin1Encoding.php on line 40