Hello, everyone ! I have installed fenics as per website from https://launchpad.net/~fenics-packages/+archive/ubuntu/fenics . After installation, I got following errors (for python 3.8) [image] Can anyone help me to solve this issue ?

Note the reference to /usr/local/. That’s an indication that you haven’t installed fenics as per the website. You’ve got an incompatible local installation of ffc, probably installed via pip.

I have unistalled fenics from the pip and install again by following commands sudo apt-get install software-properties-common sudo add-apt-repository ppa:fenics-packages/fenics sudo apt-get update sudo apt-get install fenics but it shows the same error (but this time, installation is done in /u…

I can’t reproduce the problem on a fresh installation of Ubuntu 20.04 (focal). The error message that you’re getting is one that I might expect to see if there is a mismatch in the package versions, for instance if you’ve installed the most recent version of ufl, which is not compatible with old do…

I removed fenics and other files related fenics to avoid different version problems. Then, I again installed the fenics as per previous 4 commands. Now, I am checking fenics installation by importing fenics, as per following [image] But, it shows " Invalid MIT-MAGIC-COOKIE-1 key" during entering …

Error in installation of Fenics for Ubuntu 20.04

installation

dokken May 18, 2023, 10:49am 6

Ref Invalid MIT-MAGIC-COOKIE-1 key - #3 by dparsons

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Error in installation of Fenics for Ubuntu 20.04

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