Bug title
Open
Nobody has claimed this yet.
bug
providers
- Dominant language
- C#
- Stars
- 1.1k
- Forks
- 141
- Avg merge
- 2d 18m
- Merged PRs (30d)
- 2
Description
Describe the bug
running the example LangChain.Samples.Prompts throws System.InvalidOperationException : 'Return values have multiple keys, 'run' only supported when one key currently'
Steps to reproduce the bug
set LangChain.Samples.Prompts as startup project and run.
exception will be thrown n LangChain.Base.BaseChain.RunAsync(..)
Expected behavior
No response
Screenshots
NuGet package version
No response
Additional context
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Run the LangChain.Samples.Prompts example with the reported setup and reproduce the InvalidOperationException from LangChain.Base.BaseChain.RunAsync. Inspect how the example handles multiple return keys; completion should prevent the reported exception or establish the intended behavior for this case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- ai
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100