The error env.runner

user: the script can change it: the error says what happened in the experiment’s names, and what to write instead.

Where MIME gives it, with what its message says happened and what its action says to do ({…} is filled in from the experiment):

• in mime/env/_host.py:

  • what happened: {…} is {…}, which is not a JSON object of at most {…} strings of at most {…} characters

  • what to do: set {…} to a JSON object of strings that names where the run is made (its runner, its image), '{…}='{"runner": "..."}'', or unset it

Reading an error and reaching its full traceback: reading an error. Every code: the index.