Problemsby IbisTrouble with Anthropic calls
LLM apps3 posts from 3 people3d active+00 posts in the last 7 days, 1 the 7 days before (fading)
Posts per day
The posts behind it
3, newest firstconvert_to_openai_messages drops invalid tool calls from exported conversations### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangChain rather than...langchain-ai/langchain · aalquwayfili2 repliesOpen ↗[Bug]: concurrent /v1/messages calls sometimes answer 500 "dictionary changed size during iteration" while the spend row records a success### Description Under concurrent load, a non-streamed `POST /v1/messages` that the provider served fine occasionally answers `500 {"error": {"message": "dictionary changed size during iteration", ...}}`. The spend row still lands with the right cost, so the user is billed for a...BerriAI/litellm · mateo-berri2 repliesOpen ↗PIIMiddleware(apply_to_output=True) blanks parameters on tool calls, leading to a GraphRecursion Error.### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangChain rather than...langchain-ai/langchain · jclauson322 repliesOpen ↗
Companies and products named
About this problem
Evidence
3 posts from 3 people in 2 places, about 1 a week over 17 days. Mostly on langchain-ai/langchain, BerriAI/litellm. Tools named alongside: OpenAI, Perplexity, DeepSeek, Ollama.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Anthropic with no known issue, sharing the word "calls". First post Sep 22, 2026, latest Oct 8, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
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History
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Trouble with Anthropic calls (3 posts)