Lattice Radiant 2.1: How do I generate the bitstream for crosslink-nx with Radiant v2.1? 

Lattice Radiant 2.1: How do I generate the bitstream for crosslink-nx with Radiant v2.1? 

If the selected device on Radiant is an ES1 device, the bitstream can only be generated on R2.0. R2.1 can only allow bitstream generation for ES2 devices.