{"record":{"id":"2d1bd30815cae3db","repo":"Comfy-Org/ComfyUI","slug":"at-least-one-reference-image-is-required","errorCode":null,"errorMessage":"At least one reference image is required.","messagePattern":"At least one reference image is required\\.","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"comfy_api_nodes/nodes_reve.py","lineNumber":377,"sourceCode":"        model: dict,\n        upscale: dict,\n        remove_background: bool,\n        seed: int,\n    ) -> IO.NodeOutput:\n        validate_string(prompt, min_length=1, max_length=2560)\n        if not reference_images:\n            raise ValueError(\"At least one reference image is required.\")\n        ref_base64_list = []\n        for key in reference_images:\n            ref_base64_list.append(tensor_to_base64_string(reference_images[key]))","sourceCodeStart":359,"sourceCodeEnd":395,"githubUrl":"https://github.com/Comfy-Org/ComfyUI/blob/1c6d8d45b3693bfbb32385b410d813a7fd6be216/comfy_api_nodes/nodes_reve.py#L359-L395","documentation":"Error \"At least one reference image is required.\" thrown in Comfy-Org/ComfyUI.","triggerScenarios":"Thrown at comfy_api_nodes/nodes_reve.py:377 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Connect at least one reference image."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"1c6d8d45b3693bfbb32385b410d813a7fd6be216","analyzedAt":"2026-08-14T19:37:18.893Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}