Could you try using the converter with swap_activations={nengo.RectifiedLinear(): nengo.SpikingRectifiedLinear()} instead? It seems the network contains regular (non-spiking) ReLU, which need to be converted to spiking in order to run on Loihi.
Could you try using the converter with swap_activations={nengo.RectifiedLinear(): nengo.SpikingRectifiedLinear()} instead? It seems the network contains regular (non-spiking) ReLU, which need to be converted to spiking in order to run on Loihi.