a.shibani

Hello Forum; After I got PDF invoices to work with Arabic language (by adding dejavue font and), it works great and generates PDF without a problem. However, every once in a while the system generates PDF invoices with garbage characters, even English words and numbers on the invoice are replaced with garbage. I also notice a considerable delay in opening those damaged invoices when I click "View PDF". Anybody has an idea on what could be causing this?