Error3 reports
Fix ModuleNotFoundError
in NumPy
✅ Solution
The "ModuleNotFoundError" with numpy usually means numpy isn't installed or the current Python environment can't find it. Fix this by ensuring numpy is installed (`pip install numpy`) within the specific environment you're using (e.g., virtualenv, conda environment), and that the environment is activated before running your script. If using Pyinstaller, use a hook to ensure numpy is properly bundled with your executable.
Related Issues
Real GitHub issues where developers encountered this error:
Timeline
First reported:Sep 28, 2025
Last reported:Nov 17, 2025