plugins_in_inner_options

Plugins can only be specified in the root of a pub workspace or the root of a package that isn't in a workspace.

The analyzer produces this diagnostic when analyzer plugins are defined in an analysis options file other than the analysis_options.yaml at the root of the package.

Given an analysis_options.yaml file located in a subdirectory of the package root, the following code produces this diagnostic because it attempts to define plugins there:

// %uri="inner/analysis_options.yaml"
plugins:
  one: ^1.0.0

Remove the list of plugins from the file.