## The problem
Issue langchain-ai/langchain#7887 (closed, 51 comments): ### System Info

- Python 3.9.13

- langchain-0.0.235-py3-none-any.whl
- chromadb-0.4.0-py3-none-any.whl

### Who can help?

_No response_

### Information

- [ ] The official example notebooks/scripts
- [x] My own modified scripts

### Related Components

- [ ] LLMs/Chat Models
- [ ] Embedding Models
- [ ] Prompts / Prompt Templates / Prompt Selectors
- [ ] Output Parsers
- [ ] Document Loaders
- [X] Vector Stores / Retrievers
- [ ] Memory
- [ ] Agents / Agent Executors
- [ ] Tools / Toolkits
- [ ] Chains
- [ ] Callbacks/Tracing
- [ ] Async

### Reproduction

Steps to reproduce:

1....

## What fixed it
[mrinterestfull (reporter)]: The deprecated configuration of Chroma error came from old langchain, not chroma. Upgrading langchain from 0.0.228 to 0.0.325 fixed it. Another reporter's case was caused by a stale chroma_db_impl='duckdb+parquet' in their .env; removing it fixed that.