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[SOLVED] GitHub integration stopped working after 1.4.5
I had been using the GitHub integration to deploy my functions, but since updating to 1.4.5, my list of repos was no longer appearing. I tried removing the GitHub integration and linking it again but now I'm constantly getting Error 500 - Signing key cannot be empty when being returned to Appwrite after allowing access on GitHub
TL;DR
After updating to version 1.4.5, the GitHub integration stopped working. The solution is to update the value in the .env file by replacing the newlines with "\n". This fixed the issue for me. 
The upgrade probably messed up your the env var in your .env file. The best thing to do is to make the value 1 line by replacing the newlines with \n
That seemed to have worked, thank you!
[SOLVED] GitHub integration stopped working after 1.4.5
