Error2 reports
Fix ModuleNotFoundError
in ComfyUI
✅ Solution
"ModuleNotFoundError" in ComfyUI usually means a required Python package is missing or not installed in the correct environment. To fix it, identify the missing module from the error message and install it using pip (e.g., `pip install missing_module`) within your ComfyUI's Python environment or virtual environment if you are using one. If pip install does not work try using "python -m pip install missing_module".
Related Issues
Real GitHub issues where developers encountered this error:
Timeline
First reported:Mar 25, 2026
Last reported:Mar 27, 2026