## Environment - Platform (select one): - [x] Anthropic API - [ ] AWS Bedrock - [ ] Google Vertex AI - [ ] Other: - Claude CLI version: 1.0.53 - Operating System: macOS 15.5 - Terminal: Terminal App ## Bug Description - Sometimes the task fails with "Error: Agent 1: Last message was not an assistant message" - Other times it just stops working after a message when in between a task, prompts sometime work most of the time do nothing (no response from the model) ## Steps

[BUG] Everything stopped working today

Status Fixed / completed

Maintainer reply None cached

Activity 5 comments · opened Jul 17, 2025 · closed Jul 17, 2025

Environment

Platform (select one):
[x] Anthropic API
[ ] AWS Bedrock
[ ] Google Vertex AI
[ ] Other:
Claude CLI version: 1.0.53
Operating System: macOS 15.5
Terminal: Terminal App

Bug Description

Sometimes the task fails with "Error: Agent 1: Last message was not an assistant message"
Other times it just stops working after a message when in between a task, prompts sometime work most of the time do nothing (no response from the model)

Steps to Reproduce

Try any prompt

Expected Behavior

Agent runs and finishes the task

Actual Behavior

Agent just stops working after a message or without a response

Additional Context

View original on GitHub ↗

5 Comments

HCYT · 1 year ago

+1 😭

jackmew · 1 year ago

+1 😵‍💫

1AboveNomi · 1 year ago

Currently being investigated - anthropic knows about this.

https://status.anthropic.com/

Just going to have to wait.

0-hero · 1 year ago

Resolved thanks! Closing this

github-actions[bot] · 1 year ago

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.