Troubleshooting notebooks

Toolbox environment card says the environment is installed, but no environment in the Launcher or runtime selector
Quickstart environment installation errored
CLI or Navigator gives “error starting kernel” message
Published Panel app is blank
All CPU seconds have been used up in Notebooks
Error when importing packages in Notebooks
”Missing ipykernel dependency” error
Custom runtime not appearing in Launcher or Assign a Runtime modal
”File load error,” “unhandled error,” or “unexpected error” message
Notebooks won’t open from Anaconda Platform
Notebook cannot access external sites after subscription upgrade

This page includes common troubleshooting topics for Anaconda Notebooks. If you are experiencing issues with conda, see the Troubleshooting page for workarounds to common issues. For questions about JupyterLab, refer to the official JupyterLab documentation.

If you encounter an issue or bug that isn’t covered on this page, you can ask for help in the Anaconda community forums or open a support ticket.

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