Work Flow Bug. Document status changed to Approved but not actually submitted

[Sangram]

In that case, refer following thread

Wkhtmltopdf unpatched Qt error on ERPNext V7

I have followed this is steps : Wkhtmltopdf error ERPNext V7 - #11 by Dadaso_Zanzane Still I am getting this error `raise IOError(“wkhtmltopdf exited with non-zero code {0}. error:\n{1}”.format(exit_code, stderr.decode(“utf-8”))) IOError: wkhtmltopdf exited with non-zero code -6. error: The switch --no-outline, is not support using unpatched qt, and will be ignored.The switch --print-media-type, is not support using unpatched qt, and will be ignored.QXcbConnection: Could not connect to displ…