Illegal character in path when running Azure function
Solution 1:
For anyone experiencing this issue I have finally found a way to fix it
Thank you so much Tsuyoshi Ushio over on medium, follow the steps below to resolve the issue seems to be when the azure function tools files get in a bad state within the %appdata%/local folder
https://medium.com/@tsuyoshiushio/visual-studio-2017-2019-fails-when-i-create-an-azure-functions-project-89e993ef31f
Solution 2:
You need to delete the following folder:
%localappdata%\AzureFunctionsTools