 --> [ local path prefix ]/tlm_packets/bad_channel.fpp:3:12
  |
3 |   instance c1
  |            ^^ cannot find component instance or topology `c1` in scope

 --> [ local path prefix ]/tlm_packets/bad_channel.fpp:8:7
  |
8 |       c1.N
  |       ^^ cannot find component instance or topology `c1` in scope

