Important: Use your Alcopa account only
Sign in with your Alcopa business account: firstname.lastname@alcopa.com
Reset your password via https://passwordreset.microsoftonline.com
Make sure you approve the notification for the correct @alcopa.com account.
Check that date & time on your phone are set to automatic.
Before you change phones, make sure you have registered a new sign-in Microsoft Authenticator method on mysignins.microsoft.com.
Try closing and reopening the Authenticator app.
For more help, see the Microsoft Authenticator troubleshooting guide.
Contact support at servicedesk@alcomotive.com:
The email address you used to sign in
A clear screenshot of the error message
The date and time of the attempt