/home/runner/work/mosaic/mosaic/./.github/actions/scala_build/action.yml: (Line: 36, Col: 13, Idx: 1234) - (Line: 36, Col: 105, Idx: 1326): While parsing a block mapping, did not find expected key.

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)