{"record":{"id":"48be13d1322d5bfa","repo":"langchain-ai/langgraph","slug":"namespace-labels-cannot-be-empty-strings-got-lab","errorCode":null,"errorMessage":"Namespace labels cannot be empty strings. Got {label} in {namespace}","messagePattern":"Namespace labels cannot be empty strings\\. Got (.+?) in (.+?)","errorType":"validation","errorClass":"InvalidNamespaceError","httpStatus":null,"severity":"error","filePath":"libs/checkpoint/langgraph/checkpoint/store/base/__init__.py","lineNumber":1277,"sourceCode":null,"sourceCodeStart":null,"sourceCodeEnd":null,"githubUrl":"https://github.com/langchain-ai/langgraph/blob/38031739e551638e373fb553453256c23feeb41f/libs/checkpoint/langgraph/checkpoint/store/base/__init__.py#L1277","documentation":"Error \"Namespace labels cannot be empty strings. Got {label} in {namespace}\" thrown in langchain-ai/langgraph.","triggerScenarios":"Thrown at libs/checkpoint/langgraph/checkpoint/store/base/__init__.py:1277 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"38031739e551638e373fb553453256c23feeb41f","analyzedAt":"2026-08-26T18:02:49.312Z","schemaVersion":2},"datasetVersion":"2026-08-26T21:11:00.512Z"}