I have been trying to create an Azure Function using the documentation. For example, here: https://learn.microsoft.com/en-us/learn/modules/develop-azure-functions/5-create-function-visual-studio-code
Every time, and with every Azure account, I can't get past the step where you sign in to your Azure account from the Azure Functions VSCode extension. This is the error I am getting:
"Selected user account does not exist in tenant 'Microsoft Learn Sandbox' and cannot access the application 'aebc6443-996d-45c2-90f0-388ff96faa56' in that tenant. The account needs to be added as an external user in the tenant first. Please use a different account."
The Microsoft Learn Sandbox error message is a red herring to me, as I am not trying to do anything with it, only with Azure Functions. The same error appears even with a completely different Azure account.
I have tried looking at several possible solutions, including switching directories (but I only have one directory, so this didn't work), changing settings in Azure AD Connect (but I don't have Azure AD Connect configured, so this didn't work), and I deleted several local .config files and directories on my machine (CentOS 7, btw). If the solution is related to my .config files, I couldn't tell which files I should actually be deleting though.

