How to Fix “ModuleNotFoundError: No Module Named ‘chromadb’” If you are encountering a “ModuleNotFoundError” error with the message “No module named ‘chromadb’”, it means that the module named ‘chromadb’ is not installed in your Python environment. This error usually occurs when you are trying to import or use a module that is not available. To resolve this issue, you can follow the steps outlined below: 1. Check if the Module is Installed First, you need to check if the ‘chromadb’ module is installed on your system.