if the rig is MIXED, miner does not extend available memory of 1060 3GB version on Windows10 (2xAMD and 2x1060 3GB). Then it gives an dag size error. However, if the rig is full of 1060 3GB version,there is no problem. Can you fix this?
https://imgur.com/uifs4om
https://imgur.com/h8kYUb7