claude does not perform

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.31.content.0: If an assistant message contains any thinking
blocks, the first block must be thinking or redacted_thinking. Found text."},"request_id":"req_011CXTT7DgQBxqFXtufVFrkU"}

apear when assigning it a task

What Should Happen?

It should perform

Error Messages/Logs

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.31.content.0: If an assistant message contains any              thinking                                                                                                                                                  
  blocks, the first block must be `thinking` or `redacted_thinking`. Found `text`."},"request_id":"req_011CXTT7DgQBxqFXtufVFrkU"}

Steps to Reproduce

❯ ""USE https://kbbuddywts.kbsec.com.vn/"" or previous API data to
-save each steps to claude.md and KBS data scrapper before limit is reached
Include in the

1.hnx_2012_2024_growth_analysis.csv

2.hose_2012_2024_growth_analysis.csv
3.upcom_2012_2024_growth_analysis.csv
-latest P/E
-latest P/BV
-its core business for each stock in each file

save over to claude.md and kbs data scraper

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

latest

Claude Code Version

latest

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_