How can I resolve a 'Unchecked dependencies for environment dev' error

I’m trying to follow a tutorial, but very close to the start I have a error. I’d like to start from everything working, so maybe someone knows the answer to this. I created a project, and now I’m trying to put in a secret for a signing salt.

C:\Users\Usuario\livechat>mix phx.gen.secret 32
Unchecked dependencies for environment dev:
* phoenix_live_view (
  the dependency phoenix_live_view in mix.exs is overriding a child dependency:

  > In mix.exs:
    {:phoenix_live_view, [env: :prod, git: ""]}

  > In deps/phoenix_live_dashboard/mix.exs:
    {:phoenix_live_view, "~> 0.15.0", [env: :prod, hex: "phoenix_live_view", repo: "hexpm", optional: false]}

  Ensure they match or specify one of the above in your deps and set "override: true"
** (Mix) Can't continue due to errors on dependencies