Hi, i got this weird error on my deployed project on langgraph platform, and cannot see any traces of any run.
Any help would be appreciated
[ERROR] warnings.warn(
10/15/2025, 7:08:16 PM
[ERROR] /usr/lib/python3.11/site-packages/langsmith/client.py:290: LangSmithMissingAPIKeyWarning: API key must be provided when using hosted LangSmith API
The same deployment shows traces just fine when running langgraph dev on my machine, but for some reason, the deployed version cannot trace properly after runs….see logs below on what happens during a run
[INFO] Background run succeeded
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[INFO] HTTP Request: POST https://api.openai.com/v1/chat/completions “HTTP/1.1 200 OK”
10/15/2025, 7:08:16 PM
[WARNING] Failed to multipart ingest runs: langsmith.utils.LangSmithAuthError: Authentication failed for https://api.smith.langchain.com/runs/multipart. HTTPError(‘401 Client Error: Unauthorized for url: https://api.smith.langchain.com/runs/multipart’, ‘{“error”:“Unauthorized”}\n’)trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=0199e8a1-1b38-744f-900d-82bf31cf46d0; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=3ba69ace-47c1-4e6d-8bac-66499173f6c9; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=b47e0159-54e1-4b28-97fd-005f2601b9a6; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=0fe98fbb-6bbc-4f78-b40c-56a1ed1e556d; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=134bc4a4-979b-4c9e-a46a-50c1381eb0b8; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=f10c2b90-d74e-44cb-9882-80094b5920e7; trace=0199e8a1-1b38-744f-900d-82bf31cf46d0,id=16693f6d-6112-4347-be47-cd5fb8d3520d
10/15/2025, 7:08:16 PM
[ERROR] warnings.warn(
10/15/2025, 7:08:16 PM
[ERROR] /usr/lib/python3.11/site-packages/langsmith/client.py:290: LangSmithMissingAPIKeyWarning: API key must be provided when using hosted LangSmith API
10/15/2025, 7:08:16 PM
[INFO] Listening for cancellation
10/15/2025, 7:08:16 PM
[INFO] Starting background run
10/15/2025, 7:08:16 PM
[INFO] POST /threads/d4cebe22-7db5-4068-a215-b9bdde56a318/runs 200 35ms
10/15/2025, 7:08:16 PM
[INFO] Created run