What could be the reason for the unknown error that I am getting from the Firebase httpsCallable Cloud Function?

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There could be several reasons for the unknown error that you are getting from the Firebase httpsCallable Cloud Function. Some possible reasons are:

1. Authorization issue: You might not have the required permissions to access the cloud function. Make sure you are authenticated and authorized to access the cloud function.

2. Incorrect Function name: Make sure you are calling the correct function name that is declared in the Firebase cloud function.

3. Network issues: Check your internet connection and try again. If the issue persists, try restarting your browser or device.

4. Incorrect data format: Make sure you are passing the correct data format as specified in the cloud function.

5. Runtime errors: There might be runtime errors in your cloud function that are causing the unknown error. Check the logs in the Firebase console to see if there are any errors.