Vlan tagged problem

Hello, I have had a problem. I have two devices connected to each other through a Port-Channel a Dell Switch with OS9 and a Nokia SAS-sx. I replicated the same vlans of the Nokia device in the Dell along with their corresponding interfaces and in turn the same Port-channel...
Now the problem is that, in the Nokia I have a vlan null "1/1/1:0" which should point to the port-channel, but the Switch does not support vlan 0, neither can I untagged the port, because it is already associated vlans to the channel.

Thanks