Fatal error: Uncaught Error: Class 'Saleh7\Zatca\SignatureInformation' not found in C:\xampp\htdocs\zataPhase2\vendor\saleh7\php-zatca-xml\tests\invoiceTest.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\zataPhase2\vendor\saleh7\php-zatca-xml\tests\invoiceTest.php on line 4