Errors after starting node

Please help! Can anyone tell me what is this about? Shall I be worried?

It ala works fine with GUI, but I get this errors on CLI:

(venv) wit@Plotter1:~/chia-blockchain$ chia start all
Daemon not started yet
Starting daemon
chia_harvester: started
chia_timelord_launcher: started
chia_timelord: started
chia_farmer: started
chia_full_node: started
chia_wallet: started
(venv) wit@Plotter1:~/chia-blockchain$ Traceback (most recent call last):
  File "/home/wit/chia-blockchain/venv/bin/chia_timelord_launcher", line 33, in <module>
    sys.exit(load_entry_point('chia-blockchain', 'console_scripts', 'chia_timelord_launcher')())
  File "/home/wit/chia-blockchain/chia/timelord/", line 107, in main
    loop.run_until_complete(spawn_all_processes(config, net_config))
  File "/usr/lib/python3.8/asyncio/", line 616, in run_until_complete
    return future.result()
  File "/home/wit/chia-blockchain/chia/timelord/", line 85, in spawn_all_processes
    await asyncio.gather(*awaitables)
  File "/home/wit/chia-blockchain/chia/timelord/", line 45, in spawn_process
    path_to_vdf_client = find_vdf_client()
  File "/home/wit/chia-blockchain/chia/timelord/", line 39, in find_vdf_client
    raise FileNotFoundError("can't find vdf_client binary")
FileNotFoundError: can't find vdf_client binary

Refer to this:


Of course. Thank you very much for you swift help