Failed trying to read value '{0}' with Type '{1}' and trying to interpret it as an Identifier of Type '{2}' for Entity (External ...

Failed trying to read value '{0}' with Type '{1}' and trying to interpret it as an Identifier of Type '{2}' for Entity (External Content Type) with Name '{3}' in Namespace '{4}'. Check Method with Name '{5}' on Entity with Name '{6}' in Namespace '{7}', or the data returned from the LobSystem (External System) for type compatibility.