[DOMPDF_Exception] 
Permission denied on /home/c/ca70696/plitonit.ru/public_html/solutions/calculator_html.php. The file could not be found under the directory specified by DOMPDF_CHROOT. (0)
/home/c/ca70696/plitonit.ru/public_html/bitrix/dompdf/include/dompdf.cls.php:491
#0: DOMPDF->load_html_file(string, boolean)
	/home/c/ca70696/plitonit.ru/public_html/solutions/calculator_pdf.php:8