Open WebUI + LiteLLM + Azure FLUX.2-pro Image Generation Fix

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Date resolved: 2026-08-17Components: Open WebUI, LiteLLM Proxy, Azure-backed FLUX.2-pro, Docker networking Summary Image generation worked from the LiteLLM Playground but failed when invoked through Open WebUI’s built-in generate_image tool. Open WebUI returned only: The problem turned out not to be the FLUX deployment, prompt, API key, reverse proxy, or basic Docker connectivity. Open WebUI was … Read more