You might have faced this error if the packages you have mentioned in the requirements.txt files are too large. Catalyst CLI compiles the function folder and downloads the packages you have mentioned in the requirements.txt along with your function code as zip. That zip size shouldn't exceed 250MB.

You can check if the package size are too big by manualling downloading them in your function folder using the below command and compile it to a zip to see if you exceeded the max limit value.

python3 -m pip install -r requirements.txt -t ./