diffusers reports a missing single-file checkpoint as

    Invalid `pretrained_model_name_or_path` provided. Please set it to a
    valid URL.

which sends you to check the repo id. The actual cause, measured on LTX-2.5,
was an entry pointing into ~/.cache/huggingface on the HOST -- a path the
container does not mount -- so the file existed everywhere except in the
process trying to open it. Every other part of that model was ready.

The path is probed before the load and named in the failure, with the reason
it is usually absent.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014T3rZnLhydX9QqUcfBbqLu