OBD11 Codes. 1997 VW Eurovan Camper

We own a 97 Eurovan Camper and see the engine light switching on every now and then. The codes read out as this: using the Autozone equipment.
Code: P0410
P0411 code says SECONDARY AIR INJECTION INCORRECT FLOW

Does anyone know how to fix this?

i'll pm you a link to the obd2 listing that i've found