Preview Document hangs on "Loading"

Question

Hi,
I am setting up a new Odoo 16 instance on Docker for testing. I am facing an issue when I go to Preview Document under settings, it just hangs and shows "Still Loading, Please Be Patient"
Please advise

Tareq Al- Jezawi · Accepted Answer

I think it is related to  wkhtmlToPDF.
You should install it before installing odoo.
Through the following commands:
*Download the package*
wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.bionic_amd64.deb [1]
*Install the package*
sudo dpkg -i wkhtmltox_0.12.5-1.bionic_amd64.deb [2]
*Fix dependencies*
sudo apt install -f
Also, check worker = 2 in the odoo.conf file

[1] https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12

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