{"record":{"id":"0586f339ec019af0","repo":"odysseus-dev/odysseus","slug":"signature-dimensions-are-invalid","errorCode":null,"errorMessage":"Signature dimensions are invalid","messagePattern":"Signature dimensions are invalid","errorType":"http","errorClass":"HTTPException","httpStatus":400,"severity":"error","filePath":"routes/signature_routes.py","lineNumber":60,"sourceCode":"        raise HTTPException(400, \"Signature PNG is too large\")\n    try:\n        payload = base64.b64decode(b64, validate=True)\n    except Exception:\n        raise HTTPException(400, \"Signature data must be base64-encoded PNG bytes\")\n    if not payload:\n        raise HTTPException(400, \"Signature PNG is empty\")\n    if len(payload) > _MAX_SIGNATURE_BYTES:\n        raise HTTPException(400, \"Signature PNG is too large\")\n    if not payload.startswith(_PNG_MAGIC):\n        raise HTTPException(400, \"Signature data must be a PNG image\")\n    return base64.b64encode(payload).decode(\"ascii\")\n\n\ndef _signature_dimension(value: Optional[int]) -> Optional[int]:\n    if value is None:\n        return None\n    if not isinstance(value, int) or value < 1 or value > _MAX_SIGNATURE_DIMENSION:\n        raise HTTPException(400, \"Signature dimensions are invalid\")\n    return value\n\n\nclass SignatureCreate(BaseModel):\n    name: Optional[str] = None\n    data: str  # base64 PNG, with or without `data:image/png;base64,` prefix\n    width: Optional[int] = None\n    height: Optional[int] = None\n    svg: Optional[str] = None\n\n\ndef _to_dict(s: Signature) -> Dict[str, Any]:\n    return {\n        \"id\": s.id,\n        \"name\": s.name,\n        \"data_url\": f\"data:image/png;base64,{s.data_png}\",\n        \"width\": s.width,\n        \"height\": s.height,","sourceCodeStart":42,"sourceCodeEnd":78,"githubUrl":"https://github.com/odysseus-dev/odysseus/blob/f9235ebbf13f693a6fd29ce70b097f6ec83705bf/routes/signature_routes.py#L42-L78","documentation":"Error \"Signature dimensions are invalid\" thrown in odysseus-dev/odysseus.","triggerScenarios":"Triggered when the corresponding server-side validation or runtime check at the recorded location rejects the request or operation and returns this error message to the caller.","commonSituations":"See trigger scenarios.","solutions":["Re-capture the signature; its image dimensions could not be read.","Use a standard PNG produced by the signature pad."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"f9235ebbf13f693a6fd29ce70b097f6ec83705bf","analyzedAt":"2026-08-14T21:47:48.359Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}