Started to get "Error" in my predictions starting this morning

Author: mjmustafaevCreated Sep 15, 2026Updated Sep 18, 2026

Labelstriagedbug

Describe the bug

Hello, started getting an "Error" starting this morning on my predictions through the API, no details in the API, except:

Request ID: 14dc34cf3fa4482d9e579fd133364203
Request ID: 5715de9689164d44a65b086a0826484e

Steps/Code to Reproduce

Using the sample code from docs, yes.

Expected Results

The same code was working fine yesterday and last week

Actual Results

Just an error with message:

{
  "stage": "predict",
  "http_status": 500,
  "elapsed_seconds": 4.228,
  "message": "The worker failed to process this request. Reference request_id: 14dc34cf3fa4482d9e579fd133364203",
  "error_code": "USER_ERROR",
  "trace_id": "ce7b8f8beadecf56f1cf39466b09a22f"
}
{
  "stage": "predict",
  "http_status": 200,
  "elapsed_seconds": 5.012,
  "detail": "The worker failed to process this request. Reference request_id: 5715de9689164d44a65b086a0826484e"
}

Versions

bash

Using the currently available latest pythong SDK + tabpfn-3 (which was default model I guess yesterday before 3.5 release)

Source: PriorLabs/TabPFN

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