[aw] Daily Caveman Optimizer failed

Start with .github/workflows/daily-caveman-optimizer.md and inspect the Daily Caveman Optimizer run linked in the issue. Compare the configured Claude Code environment with the reported minimum version requirement. Done means the workflow can run successfully without the claude_code_version_too_old error.

Workflow Failure

Workflow: Daily Caveman Optimizer
Branch: main
Run: https://github.com/github/gh-aw/actions/runs/36481581776

[!WARNING]
Engine Failure: The claude engine terminated unexpectedly.

Last agent output:

{"type":"assistant","message":{"diagnostics":null,"id":"2ddc16df-eb9e-4e25-b522-cf9031f0fde3","container":null,"model":"<synthetic>","role":"assistant","stop_details":null,"stop_reason":"stop_sequence","stop_sequence":"","type":"message","usage":{"output_tokens_details":null,"input_tokens":0,"output_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":null,"cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":null,"iterations":null,"speed":null},"content":[{"type":"text","text":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again."}],"context_management":null},"parent_tool_use_id":null,"session_id":"9584dfe1-2f9d-427c-b170-347280f58bb1","uuid":"c8241c1f-6565-401b-8ac4-e806c9669383","timestamp":"2026-09-28T20:48:47.135Z","error":"invalid_request","request_id":"req_011CfWVgZvjWLbNG3QYNXSNs","is_api_error_message":true,"api_error":"claude_code_version_too_old"}
{"duration_api_ms":0,"stop_reason":"stop_sequence","session_id":"9584dfe1-2f9d-427c-b170-347280f58bb1","total_cost_usd":0,"usage":{"output_tokens_details":{"thinking_tokens":0},"input_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{},"permission_denials":[],"terminal_reason":"api_error","fast_mode_state":"off","fast_mode_disabled_reason":"disabled_by_env","subagent_stats":{"spawned":0,"requested":{"background":0,"foreground":0,"unset":0},"started_in_background":0,"max_depth":0,"spawned_by_subagents":0,"completed":0,"failed":0,"killed":{"parent":0,"user":0,"system":0},"refused":{"depth_limit":0,"concurrency_limit":0,"budget":0},"by_type":{}},"is_error":true,"num_turns":1,"subtype":"success","api_error_status":400,"result":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again.","type":"result","duration_ms":391,"uuid":"4865bb15-095f-4eeb-99af-9f103b144715","queued_turn_count":0,"result_index":0}
[claude-code:unrecognized_model] {"model":"claude-haiku-4.5","query_source":"generate_session_title"}
{"type":"system","subtype":"init","cwd":"/home/runner/work/gh-aw/gh-aw","session_id":"792171f5-393e-4ab4-8390-cb4e27e5b524","tools":["Task","Bash","CronCreate","CronDelete","CronList","DesignSync","Edit","EnterWorktree","ExitWorktree","Glob","Grep","ListAgents","NotebookEdit","Read","ReportFindings","ScheduleWakeup","SendMessage","Skill","TaskCreate","TaskGet","TaskList","TaskOutput","TaskStop","TaskUpdate","WebFetch","WebSearch","Workflow","Write","mcp__github__get_commit","mcp__github__get_file_contents","mcp__github__get_label","mcp__github__get_latest_release","mcp__github__get_me","mcp__github__get_release_by_tag","mcp__github__get_tag","mcp__github__get_team_members","mcp__github__get_teams","mcp__github__issue_read","mcp__github__list_branches","mcp__github__list_commits","mcp__github__list_issue_fields","mcp__github__list_issue_types","mcp__github__list_issues","mcp__github__list_pull_requests","mcp__github__list_releases","mcp__github__list_repository_collaborators","mcp__github__list_tags","mcp__github__pull_request_read","mcp__github__search_code","mcp__github__search_commits","mcp__github__search_issues","mcp__github__search_pull_requests","mcp__github__search_repositories"],"mcp_servers":[{"name":"github","status":"connected"}],"model":"claude-haiku-4.5","permissionMode":"acceptEdits","slash_commands":["playwright-cli","deep-research","design","design-sync","dataviz","update-config","verify","debug","code-review","simplify","batch","fewer-permission-prompts","doctor","loop","claude-api","workflow-authoring","run","run-skill-generator","agents","auto-mode-setup","autocompact","clear","color","compact","config","output-style","context","effort","fast","heapdump","init","mcp","model","__remote-workflow","workflow-launch-exec","reload-plugins","reload-skills","rename","security-review","usage","insights","recap","goal","design-consent","design-revoke","list-agents","team-onboarding"],"terminal_slash_commands":["doctor","color","reload-plugins"],"apiKeySource":"apiKeyHelper","claude_code_version":"2.1.273","output_style":"default","agents":["claude","Explore","general-purpose","Plan","statusline-setup"],"skills":["playwright-cli","deep-research","design","design-sync","dataviz","update-config","verify","debug","code-review","simplify","batch","fewer-permission-prompts","doctor","loop","claude-api","workflow-authoring","run","run-skill-generator"],"plugins":[],"capabilities":["interrupt_receipt_v1","interrupt_cancel_queued_v1","msg_lifecycle_v1"],"analytics_disabled":true,"product_feedback_disabled":false,"uuid":"7bf1b7bd-9138-4347-bebf-f391fbbade99","memory_paths":{"auto":"/home/runner/.claude/projects/-home-runner-work-gh-aw-gh-aw/memory/"},"messaging_socket_path":"/tmp/cc-socks-1001/594.sock","fast_mode_state":"off","fast_mode_disabled_reason":"disabled_by_env"}
{"type":"assistant","message":{"diagnostics":null,"id":"9d94e8e7-a0d8-401c-bfef-0ec3a7a100e7","container":null,"model":"<synthetic>","role":"assistant","stop_details":null,"stop_reason":"stop_sequence","stop_sequence":"","type":"message","usage":{"output_tokens_details":null,"input_tokens":0,"output_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":null,"cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":null,"iterations":null,"speed":null},"content":[{"type":"text","text":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again."}],"context_management":null},"parent_tool_use_id":null,"session_id":"792171f5-393e-4ab4-8390-cb4e27e5b524","uuid":"1df2f485-7fb2-4c53-b860-e9da5d8239fa","timestamp":"2026-09-28T20:49:03.132Z","error":"invalid_request","request_id":"req_011CfWVhkCPvh9CwrT2cwEyS","is_api_error_message":true,"api_error":"claude_code_version_too_old"}
{"duration_api_ms":0,"stop_reason":"stop_sequence","session_id":"792171f5-393e-4ab4-8390-cb4e27e5b524","total_cost_usd":0,"usage":{"output_tokens_details":{"thinking_tokens":0},"input_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{},"permission_denials":[],"terminal_reason":"api_error","fast_mode_state":"off","fast_mode_disabled_reason":"disabled_by_env","subagent_stats":{"spawned":0,"requested":{"background":0,"foreground":0,"unset":0},"started_in_background":0,"max_depth":0,"spawned_by_subagents":0,"completed":0,"failed":0,"killed":{"parent":0,"user":0,"system":0},"refused":{"depth_limit":0,"concurrency_limit":0,"budget":0},"by_type":{}},"is_error":true,"num_turns":1,"subtype":"success","api_error_status":400,"result":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again.","type":"result","duration_ms":416,"uuid":"036eafee-5556-4d31-a6a3-38fc5794c0f7","queued_turn_count":0,"result_index":0}
[claude-code:unrecognized_model] {"model":"claude-haiku-4.5","query_source":"generate_session_title"}
{"type":"system","subtype":"init","cwd":"/home/runner/work/gh-aw/gh-aw","session_id":"2af2fea5-6d4c-4219-b0ad-430b54879145","tools":["Task","Bash","CronCreate","CronDelete","CronList","DesignSync","Edit","EnterWorktree","ExitWorktree","Glob","Grep","ListAgents","NotebookEdit","Read","ReportFindings","ScheduleWakeup","SendMessage","Skill","TaskCreate","TaskGet","TaskList","TaskOutput","TaskStop","TaskUpdate","WebFetch","WebSearch","Workflow","Write","mcp__github__get_commit","mcp__github__get_file_contents","mcp__github__get_label","mcp__github__get_latest_release","mcp__github__get_me","mcp__github__get_release_by_tag","mcp__github__get_tag","mcp__github__get_team_members","mcp__github__get_teams","mcp__github__issue_read","mcp__github__list_branches","mcp__github__list_commits","mcp__github__list_issue_fields","mcp__github__list_issue_types","mcp__github__list_issues","mcp__github__list_pull_requests","mcp__github__list_releases","mcp__github__list_repository_collaborators","mcp__github__list_tags","mcp__github__pull_request_read","mcp__github__search_code","mcp__github__search_commits","mcp__github__search_issues","mcp__github__search_pull_requests","mcp__github__search_repositories"],"mcp_servers":[{"name":"github","status":"connected"}],"model":"claude-haiku-4.5","permissionMode":"acceptEdits","slash_commands":["playwright-cli","deep-research","design","design-sync","dataviz","update-config","verify","debug","code-review","simplify","batch","fewer-permission-prompts","doctor","loop","claude-api","workflow-authoring","run","run-skill-generator","agents","auto-mode-setup","autocompact","clear","color","compact","config","output-style","context","effort","fast","heapdump","init","mcp","model","__remote-workflow","workflow-launch-exec","reload-plugins","reload-skills","rename","security-review","usage","insights","recap","goal","design-consent","design-revoke","list-agents","team-onboarding"],"terminal_slash_commands":["doctor","color","reload-plugins"],"apiKeySource":"apiKeyHelper","claude_code_version":"2.1.273","output_style":"default","agents":["claude","Explore","general-purpose","Plan","statusline-setup"],"skills":["playwright-cli","deep-research","design","design-sync","dataviz","update-config","verify","debug","code-review","simplify","batch","fewer-permission-prompts","doctor","loop","claude-api","workflow-authoring","run","run-skill-generator"],"plugins":[],"capabilities":["interrupt_receipt_v1","interrupt_cancel_queued_v1","msg_lifecycle_v1"],"analytics_disabled":true,"product_feedback_disabled":false,"uuid":"285b6b9f-b5b2-479c-a843-51bca68af62f","memory_paths":{"auto":"/home/runner/.claude/projects/-home-runner-work-gh-aw-gh-aw/memory/"},"messaging_socket_path":"/tmp/cc-socks-1001/767.sock","fast_mode_state":"off","fast_mode_disabled_reason":"disabled_by_env"}
{"type":"assistant","message":{"diagnostics":null,"id":"f2bc16e8-0e34-496c-a6b6-52974d59aaf3","container":null,"model":"<synthetic>","role":"assistant","stop_details":null,"stop_reason":"stop_sequence","stop_sequence":"","type":"message","usage":{"output_tokens_details":null,"input_tokens":0,"output_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":null,"cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":null,"iterations":null,"speed":null},"content":[{"type":"text","text":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again."}],"context_management":null},"parent_tool_use_id":null,"session_id":"2af2fea5-6d4c-4219-b0ad-430b54879145","uuid":"4200b36b-eabf-4c05-a9d1-2e94f9f5ffea","timestamp":"2026-09-28T20:49:23.788Z","error":"invalid_request","request_id":"req_011CfWVjGkCtVxHk8Rfhxp5N","is_api_error_message":true,"api_error":"claude_code_version_too_old"}
{"duration_api_ms":0,"stop_reason":"stop_sequence","session_id":"2af2fea5-6d4c-4219-b0ad-430b54879145","total_cost_usd":0,"usage":{"output_tokens_details":{"thinking_tokens":0},"input_tokens":0,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":0,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{},"permission_denials":[],"terminal_reason":"api_error","fast_mode_state":"off","fast_mode_disabled_reason":"disabled_by_env","subagent_stats":{"spawned":0,"requested":{"background":0,"foreground":0,"unset":0},"started_in_background":0,"max_depth":0,"spawned_by_subagents":0,"completed":0,"failed":0,"killed":{"parent":0,"user":0,"system":0},"refused":{"depth_limit":0,"concurrency_limit":0,"budget":0},"by_type":{}},"is_error":true,"num_turns":1,"subtype":"success","api_error_status":400,"result":"API Error: 400 Claude Code 2.1.273 does not support this model; version 2.1.280 or newer is required. Run 'claude update', or update the Claude desktop app, then try again.","type":"result","duration_ms":362,"uuid":"aee45184-fb5b-4bf0-82b6-ff2e692cbf4d","queued_turn_count":0,"result_index":0}

Action Required

Assign this issue to an agent to debug and fix the issue.

Debug the agentic workflow failure using https://raw.githubusercontent.com/github/gh-aw/main/debug.md

The failed workflow run is at https://github.com/github/gh-aw/actions/runs/36481581776

[!TIP]

Stop reporting this workflow as a failure

To stop a workflow from creating failure issues, set report-failure-as-issue: false in its frontmatter:

safe-outputs:
  report-failure-as-issue: false

Generated from Daily Caveman Optimizer · ◷

• expires on Sep 29, 2026, 8:51 AM UTC