Failed to load actions/checkout/9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0/action.yml

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.ActionManifestManagerLegacy.Load(IExecutionContext executionContext, String manifestFile)

actions/checkout/9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0/action.yml: (Line: 1, Col: 1, Idx: 0) - (Line: 1, Col: 2, Idx: 1): While scanning for the next token, find character that cannot start any token.

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Practicality beats purity.

Practicality beats purity.

Non-blocking is better than blocking.

Non-blocking is better than blocking.

Approachable is better than simple.