Sync Error - "the token supplied to the function is invalid"

[abdo]

This could be relevant:

Syncing Error on Desktop

I am getting the error message below every time I attempt to sync. {A network error occurred Error details ;error sending request from url () error trying to connect: The token supplied to the function is invalid (os error -2146893048)} Anyone who have also encountered this one and how did you resolve this. Hoping for a prompt response. Many thanks! Rome