Correct DOMPDF error in my php program

I have just migrated to a new server but I kept getting an error when trying to export my database to a PDF file using DOMPDF. Below is my error. I hope to find someone who can correct this error.

Fatal error: Uncaught Error: Call to a member function getData() on null in /var/www/html/landed/plugins/dompdf/lib/[login to view URL] Stack trace: #0 /var/www/html/landed/plugins/dompdf/include/[login to view URL](776): Cpdf->selectFont('/var/www/html/l...') #1 /var/www/html/landed/plugins/dompdf/include/[login to view URL](123): CPDF_Adapter->get_font_height('/var/www/html/l...', 7.1229557843731) #2 /var/www/html/landed/plugins/dompdf/include/[login to view URL](167): Font_Metrics::get_font_height('/var/www/html/l...', 7.1229557843731) #3 /var/www/html/landed/plugins/dompdf/include/[login to view URL](332): Text_Frame_Reflower->_layout_line() #4 /var/www/html/landed/plugins/dompdf/include/[login to view URL](711): Text_Frame_Reflower->reflow(Object(Block_Frame_Decorator)) #5 /var/www/html/landed/plugins/dompdf/include/[login to view URL](750): Frame_Decorator->reflow(Object(Block_Frame_Decorator)) #6 /var/www/html/landed/plugins/dompdf/include/[login to view URL](711): Block_Frame_ in /var/www/html/landed/plugins/dompdf/lib/[login to view URL] on line 2369

Habilidades: HTML, MySQL, PHP, Arquitectura de software, WordPress

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Información del empleador:
( 0 comentarios ) Singapore

Nº del proyecto: #17703643

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Hi, I read your error spec and I think it seems you missed font file for exporting pdf. Please let me get more details for the task. Kind Regards, Thanks

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