{"version":"2.1.247","anchor":"errors-from-a-missing-subagent-model-now-name-the-model-that","canonical_anchor":"errors-from-a-missing-subagent-model-now-name-the-model-that","heading":"Errors from a missing subagent model now name the model that was sent","tier":"notice","area":"Subagents","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.247\/e\/errors-from-a-missing-subagent-model-now-name-the-model-that","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.247","markdown":"### Errors from a missing subagent model now name the model that was sent\n\nA subagent failing on a missing model now tells you exactly which model was sent.\n\n**What**\n\nWhen a subagent fails because the model does not exist, the error text now includes the error type, HTTP status, request id and the exact model name sent to the API, and a matching telemetry event records the same plus whether a fallback chain exists and whether the agent is built in.\n\n**Evidence**\n\n`tengu_api_subagent_model_not_found`\n\n- Area: Subagents\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 2\/5"}