After adding a USB Camera with OpenCV and starting a stream there no live video. Stopping the stream produces the following error. After this error the DS18B20 probe no longer reads temperature data. I was able to reproduce this error on a test system.
Error: Error stopping stream:
IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!
Importing the numpy C-extensions failed. This error can happen for
many reasons, often due to issues with your setup or how NumPy was
We have compiled some common reasons and troubleshooting tips at:
Please note and check the following:
- The Python version is: Python3.9 from “/var/mycodo-root/env/bin/python”
- The NumPy version is: “1.24.1”
and make sure that they are the versions you expect.
Please carefully study the documentation linked above for further help.
Original error was: libcblas.so.3: cannot open shared object file: No such file or directory