Tenant is not filtered out from last saved cookie and current delta sync cookie. This indicates that ForwardSync service ...

Tenant is not filtered out from last saved cookie and current delta sync cookie. This indicates that ForwardSync service crashed after forking and writing out the tenant page token but before saving the delta sync cookie. Releasing this tenant from full sync and deleting its pagetoken. Organization '%1' service instance '%2' Stream '%3' ThreadId '%4'.