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Invalid or Unsupported Model: The agent failed because the configured model name is invalid, unknown, or unavailable for this engine/account.
This is a configuration issue, not a transient error — retrying will not help.
How to fix this
Specify a valid model for the selected engine in the workflow frontmatter:
---
engine: copilotmodel: gpt-5-mini
---
To find valid models, check your engine/provider documentation (for Copilot see supported models).
Warning
Engine Failure: The copilot engine terminated unexpectedly.
Last agent output:
● Request failed (transient_bad_request). Retrying...
● Request failed (transient_bad_request). Retrying...
400 The requested model is not supported.
Changes +0 -0
Duration 13s
Action Required
Assign this issue to an agent to debug and fix the issue.
Debug with any coding agent
Use this prompt with any coding agent (GitHub Copilot, Claude, Gemini, etc.):
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/githubnext/goal/actions/runs/27664087455
Manually invoke the agent
Debug this workflow failure using your favorite Agent CLI and the agentic-workflows prompt.
Workflow Failure
Workflow: Goal
Branch: main
Run: https://github.com/githubnext/goal/actions/runs/27664087455
Warning
Invalid or Unsupported Model: The agent failed because the configured model name is invalid, unknown, or unavailable for this engine/account.
This is a configuration issue, not a transient error — retrying will not help.
How to fix this
Specify a valid model for the selected engine in the workflow frontmatter:
To find valid models, check your engine/provider documentation (for Copilot see supported models).
Warning
Engine Failure: The
copilotengine terminated unexpectedly.Last agent output:
Action Required
Assign this issue to an agent to debug and fix the issue.
Debug with any coding agent
Use this prompt with any coding agent (GitHub Copilot, Claude, Gemini, etc.):
Manually invoke the agent
Debug this workflow failure using your favorite Agent CLI and the
agentic-workflowsprompt.agentic-workflowsskill from.github/skills/agentic-workflows/SKILL.mdor https://github.com/github/gh-aw/blob/main/.github/skills/agentic-workflows/SKILL.mddebug the agentic workflow goal failure in https://github.com/githubnext/goal/actions/runs/27664087455Tip
Stop reporting this workflow as a failure
To stop a workflow from creating failure issues, set
report-failure-as-issue: falsein its frontmatter: