Knowledge Base
This section contains troubleshooting guides for known issues, edge cases, and common errors encountered when deploying or running the Zelkor platform.
AI Gateway
- Vertex
gemini-*unknown backend: Fix AI Gateway 500 errors when Vertex authentication rotation skips the backend. - AI Gateway
route_not_found: Fix 404 on/v1/chat/completionsafter a Helm upgrade cleared the provider key.
Agent Protocol
POST /runs/wait422assistant_id: Aegra requiresassistant_idin the body;X-Graph-IDis only routing.- JWT rejected (401): Token
issmust match Helm issuer; use a JWKS file when in-cluster JWKS needs a public Host.
General Troubleshooting
If you encounter an issue not listed here:
- Check component logs: See Platform Logging for how to inspect stdout JSON logs for
ERRORlines. - Check Langfuse traces: Run traces provide full visibility into LLM calls, MCP tool executions, and NeMo guardrail decisions.
- Use the CLI doctor: Run
zelkor doctorto verify your environment, credentials, and connection to the platform gateways.