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If you have any other problems that won’t be solved, please contact the pc2-support@uni-paderborn.de
Troubleshooting
JupyterLab
“A Jupyter server is running.” message
This message appears because user settings managed by JupyterLab do not match the new JupyterLab version.
Try deleting
~/.jupyter/
in your$HOME
directory as follows:rm -r ~/.jupyter/