Comfy-Org/ComfyUI · error · ValueError

Maximum 6 reference images are allowed.

Error message

Maximum 6 reference images are allowed.

What it means

Error "Maximum 6 reference images are allowed." thrown in Comfy-Org/ComfyUI.

Source

Thrown at comfy_api_nodes/nodes_reve.py:382

        validate_string(prompt, min_length=1, max_length=2560)
        if not reference_images:
            raise ValueError("At least one reference image is required.")
        ref_base64_list = []
        for key in reference_images:
            ref_base64_list.append(tensor_to_base64_string(reference_images[key]))
        if len(ref_base64_list) > 6:
            raise ValueError("Maximum 6 reference images are allowed.")
        tts = model["test_time_scaling"]
        ar = model["aspect_ratio"]
        response = await sync_op_raw(

View on GitHub (pinned to 1c6d8d45b3)

Solutions

1. Use at most 6 reference images.

When it happens

Trigger: Thrown at comfy_api_nodes/nodes_reve.py:382 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Comfy-Org/ComfyUI@1c6d8d45b3 (2026-08-14). Data as JSON: /api/errors/f2607512ac0166e5. Report an issue: GitHub.