liatrio/github-actions/master/apprentice-action/action.yaml: (Line: 5, Col: 9, Idx: 123) - (Line: 5, Col: 9, Idx: 123): Mapping values are not allowed in this context.

System.ArgumentException: Unexpected type '' 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)