Fatal error: Uncaught Error: Class "FPDF" not found in D:\xampp\htdocs\ssw_doc\vendor\setasign\fpdi\fpdi_bridge.php:23
Stack trace:
#0 D:\xampp\htdocs\ssw_doc\vendor\setasign\fpdi\fpdf_tpl.php(12): require_once()
#1 {main}
thrown in D:\xampp\htdocs\ssw_doc\vendor\setasign\fpdi\fpdi_bridge.php on line 23