 --> [ local path prefix ]/tlm_packets/duplicate_set_name.fpp:7:21
  |
7 |   telemetry packets P {
  |                     ^ duplicate telemetry packet set P
  |
 ::: [ local path prefix ]/tlm_packets/duplicate_set_name.fpp:3:21
  |
3 |   telemetry packets P {
  |                     - previous set is here

