{"record":{"id":"af957ee6dccbbcea","repo":"microsoft/autogen","slug":"invalid-imagemessage-the-data-or-url-must-be-prov","errorCode":null,"errorMessage":"Invalid ImageMessage, the data or url must be provided","messagePattern":"Invalid ImageMessage, the data or url must be provided","errorType":"exception","errorClass":"InvalidOperationException","httpStatus":null,"severity":"error","filePath":"dotnet/src/AutoGen.Anthropic/Middleware/AnthropicMessageConnector.cs","lineNumber":220,"sourceCode":"        }\n\n        return [MessageEnvelope.Create(new ChatMessage(\"user\", content), agent.Name)];\n    }\n\n    private async Task<ImageSource> ProcessImageSourceAsync(ImageMessage imageMessage)\n    {\n        if (imageMessage.Data != null)\n        {\n            return new ImageSource\n            {\n                MediaType = imageMessage.Data.MediaType,\n                Data = Convert.ToBase64String(imageMessage.Data.ToArray())\n            };\n        }\n\n        if (imageMessage.Url is null)\n        {\n            throw new InvalidOperationException(\"Invalid ImageMessage, the data or url must be provided\");\n        }\n\n        var uri = new Uri(imageMessage.Url);\n        using var client = new HttpClient();\n        var response = client.GetAsync(uri).Result;\n        if (!response.IsSuccessStatusCode)\n        {\n            throw new HttpRequestException($\"Failed to download the image from {uri}\");\n        }\n\n        return new ImageSource\n        {\n            MediaType = \"image/jpeg\",\n            Data = Convert.ToBase64String(await response.Content.ReadAsByteArrayAsync())\n        };\n    }\n\n    private IEnumerable<IMessage> ProcessToolCallMessage(ToolCallMessage toolCallMessage, IAgent _)","sourceCodeStart":202,"sourceCodeEnd":238,"githubUrl":"https://github.com/microsoft/autogen/blob/027ecf0a379bcc1d09956d46d12d44a3ad9cee14/dotnet/src/AutoGen.Anthropic/Middleware/AnthropicMessageConnector.cs#L202-L238","documentation":"Error \"Invalid ImageMessage, the data or url must be provided\" thrown in microsoft/autogen.","triggerScenarios":"Thrown at dotnet/src/AutoGen.Anthropic/Middleware/AnthropicMessageConnector.cs:220 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Construct ImageMessage with either binary data or a valid URI"],"exampleFix":"new ImageMessage(role, url: uri) or supply base64 data","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"027ecf0a379bcc1d09956d46d12d44a3ad9cee14","analyzedAt":"2026-08-15T03:38:00.719Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}