Troubleshooting
Troubleshooting Guides
38 guides in this category.
How to Fix 'prompt template error when scaling' in LlamaIndex (TypeScript)
If you’re seeing `prompt template error when scaling` in LlamaIndex TypeScript, you’re usually hitting a prompt wiring problem that only shows up once...
How to Fix 'prompt template error when scaling' in LlamaIndex (Python)
`prompt template error when scaling` in LlamaIndex usually means your prompt was built correctly for a small test, then broke when the app started...
How to Fix 'prompt template error when scaling' in AutoGen (TypeScript)
When AutoGen throws `prompt template error when scaling`, it usually means the framework tried to render a prompt template and one of the required...
How to Fix 'prompt template error' in LlamaIndex (TypeScript)
When you see `Error: prompt template error` in LlamaIndex TypeScript, it usually means the library tried to format a prompt and one of the required...
How to Fix 'prompt template error' in LlamaIndex (Python)
`prompt template error` in LlamaIndex usually means the framework tried to render a prompt, but the template variables and the values you passed did not...
How to Fix 'prompt template error in production' in LlamaIndex (TypeScript)
`prompt template error in production` usually means LlamaIndex failed while rendering or validating a prompt template before sending it to the LLM. In...
How to Fix 'prompt template error in production' in LlamaIndex (Python)
If you’re seeing `ValueError: prompt template error in production` in LlamaIndex, the issue is almost always that a prompt template is missing variables,...
How to Fix 'prompt template error in production' in AutoGen (TypeScript)
When AutoGen throws a `prompt template error in production`, it usually means the agent tried to render a template with missing or mismatched variables....
How to Fix 'prompt template error during development' in LlamaIndex (TypeScript)
If you’re seeing `prompt template error during development` in LlamaIndex TypeScript, it usually means the framework tried to render a prompt and one of...
How to Fix 'prompt template error during development' in LlamaIndex (Python)
The error usually means LlamaIndex tried to render a prompt template and failed before the LLM call even started. You’ll see it during development when...
How to Fix 'prompt template error during development' in AutoGen (TypeScript)
When AutoGen throws `prompt template error during development`, it usually means one of your agent prompts contains a template variable that AutoGen can’t...
How to Fix 'async event loop error when scaling' in LangGraph (TypeScript)
If you’re seeing `async event loop error when scaling` in LangGraph TypeScript, you’re usually hitting a runtime mismatch: async work is being scheduled...
How to Fix 'async event loop error when scaling' in LangGraph (Python)
If you see `async event loop error when scaling` in LangGraph, you’re almost always hitting a mismatch between **how your app is running** and **how...
How to Fix 'async event loop error when scaling' in LangChain (TypeScript)
When you see `async event loop error when scaling` in a LangChain TypeScript app, it usually means you’re creating or reusing async resources in a way...
How to Fix 'async event loop error when scaling' in LangChain (Python)
If you see `RuntimeError: This event loop is already running` or `asyncio.run() cannot be called from a running event loop` while scaling a LangChain app,...
How to Fix 'async event loop error when scaling' in CrewAI (TypeScript)
When you see `async event loop error when scaling` in a CrewAI TypeScript app, it usually means you’re creating or reusing async resources in a way the...
How to Fix 'async event loop error when scaling' in CrewAI (Python)
When CrewAI starts throwing an `async event loop error when scaling`, you’re usually hitting a Python async/runtime mismatch, not a CrewAI “scaling” bug....
How to Fix 'async event loop error' in LangGraph (TypeScript)
If you’re seeing an `async event loop error` in LangGraph TypeScript, it usually means you’re trying to run async graph execution in a place where the...
How to Fix 'async event loop error' in LangGraph (Python)
`async event loop error` in LangGraph usually means you tried to run an async graph from the wrong execution context. In practice, it shows up when you...
How to Fix 'async event loop error' in LangChain (TypeScript)
If you’re seeing `async event loop error` in a LangChain TypeScript app, you’re usually hitting a runtime mismatch between how your code is being executed...
How to Fix 'async event loop error' in LangChain (Python)
An `async event loop error` in LangChain usually means you tried to run async code from the wrong place, or you mixed sync and async calls in a way...
How to Fix 'async event loop error in production' in LangGraph (TypeScript)
If you’re seeing `async event loop error in production` in a LangGraph TypeScript app, it usually means you’re trying to run async graph execution in a...
How to Fix 'async event loop error in production' in LangGraph (Python)
`async event loop error in production` in LangGraph usually means you’re trying to run async graph code inside an environment that already has an event...
How to Fix 'async event loop error in production' in LangChain (TypeScript)
When LangChain throws an `async event loop error in production`, it usually means you’re mixing async work with a runtime that already owns the event...
How to Fix 'async event loop error in production' in LangChain (Python)
If you’re seeing an `async event loop error in production` with LangChain, you’re usually dealing with Python’s asyncio rules being violated somewhere in...
How to Fix 'async event loop error in production' in CrewAI (TypeScript)
If you’re seeing `async event loop error in production` with CrewAI in TypeScript, you’re usually dealing with a runtime mismatch: some async work is...
How to Fix 'async event loop error in production' in CrewAI (Python)
An `async event loop error in production` with CrewAI usually means Python tried to run an async workflow while an event loop was already active, closed,...
How to Fix 'async event loop error in production' in AutoGen (Python)
If you’re seeing `RuntimeError: This event loop is already running` or `RuntimeError: There is no current event loop in thread`, you’re hitting a mismatch...
How to Fix 'async event loop error during development' in LangGraph (TypeScript)
If you’re seeing `async event loop error during development` in LangGraph TypeScript, you’re usually calling an async graph API from the wrong execution...
How to Fix 'async event loop error during development' in LangGraph (Python)
If you’re seeing `RuntimeError: This event loop is already running` or a LangGraph wrapper around it during development, you’re usually calling async code...
How to Fix 'async event loop error during development' in LangChain (TypeScript)
If you’re seeing `async event loop error during development` in a LangChain TypeScript app, you’re usually hitting a Node runtime mismatch or an async...
How to Fix 'async event loop error during development' in LangChain (Python)
If you’re seeing `RuntimeError: asyncio.run() cannot be called from a running event loop` or `RuntimeError: This event loop is already running`, you’re...
How to Fix 'async event loop error during development' in CrewAI (TypeScript)
If you’re seeing `async event loop error during development` in a CrewAI TypeScript app, it usually means something in your agent startup path is trying...
How to Fix 'async event loop error during development' in CrewAI (Python)
If you’re seeing `async event loop error during development` in CrewAI, you’re almost always dealing with an event loop conflict, not a CrewAI-specific...
How to Fix 'async event loop error during development' in AutoGen (Python)
If you’re seeing `RuntimeError: This event loop is already running` or `asyncio.run() cannot be called from a running event loop` while developing with...
How to Fix 'async event loop error' in CrewAI (TypeScript)
When you see `async event loop error` in CrewAI TypeScript, it usually means your code is trying to start or reuse an async runtime in a way the SDK does...
How to Fix 'async event loop error' in CrewAI (Python)
If you’re seeing `RuntimeError: This event loop is already running` or a CrewAI-flavored variant like `async event loop error`, you’ve got an asyncio...
How to Fix 'async event loop error' in AutoGen (Python)
If you’re seeing `async event loop error` in AutoGen, it usually means you’re mixing synchronous and asynchronous code in a way that conflicts with...
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