qrcode link error

[ParmaU]

Describe the bug when you generate the PDF the qrcode produces an incorrect link by entering the domain twice for example https://www.TCExam.com/www.TCExam.com/public/code/tce_test_allresults.php?sel=1&test_id=10&testuser_id=13&order_field=total_score%2C+user_lastname%2C+user_firstname& orderdir=0 To Reproduce

Steps to reproduce the behavior: produces this error every time you create a pdf with the qrcode

Environment: shared web hosting with one hundred os TC Exam ver. 15.0.