I got this error when I'm trying to run odoo server
ModuleNotFoundError: No module named 'psycopg2'
so to fix it , I run the commands bellow
sudo apt-get update
sudo apt-get install libpq-dev
sudo pip3 install psycopg2-binary & for runing odoo 15.0 with python 3.8 we can use sudo python3.8 -m pip install --upgrade psycopg2-binary 
When I'm trying to run odoo server , I'm facing this error The style compilation
failed, see the error below. Your recent actions may be the cause, please try reverting the changes you made
So to fix it I run the commands bellow
sudo pip3 install libsass==0.12.3
sudo apt install python3-libsass
There are two main issues must of us facing with the QR code in Odoo invoice & these issues are 1/ QR code displayed as broken image w...
