Can't generate new token for Telegraf

I can’t generate new token for telegraf ADS_B created from community templates.
What mean this error:

Hello @marekpow,
Did you delete the bucket that you used when you first created the Telegraf configuration?
I’d try creating a new telegraf configuration OR I’d click on the name of the telegraf configuration and making sure that the

  ## Destination bucket to write into.
  bucket = "system"

has the correct bucket