/home/runner/work/home-robot/home-robot/./.github/actions/conda_env_setup/action.yml (Line: 1, Col: 3): A sequence was not expected

System.ArgumentException: Unexpected type 'SequenceToken' encountered while reading 'action manifest root'. The type 'MappingToken' was expected. at GitHub.DistributedTask.ObjectTemplating.Tokens.TemplateTokenExtensions.AssertMapping(TemplateToken value, String objectDescription) at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)