Hi,
I have installed odoo 12 in ubuntu 18.04 .when i print PDF it shows an error like "Wkhtmltopdf failed (error code: -8). Message: b''. I have installed the wkhtmltopdf by following the commands mentioned in the link \https://www.odoo.com/forum/help-1/question/ubuntu-18-04-lts-how-to-install-wkhtmltopdf-0-12-1-134198
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