{"record":{"id":"3c05f04659931ba9","repo":"LykosAI/StabilityMatrix","slug":"token-is-required","errorCode":null,"errorMessage":"Token is required","messagePattern":"Token is required","errorType":"validation","errorClass":"ValidationException","httpStatus":null,"severity":"warning","filePath":"StabilityMatrix.Avalonia/ViewModels/Settings/AccountSettingsViewModel.cs","lineNumber":389,"sourceCode":"    {\n        return accountsService.CivitLogoutAsync();\n    }\n\n    [RelayCommand(CanExecute = nameof(IsInitialUpdateFinished))]\n    private async Task ConnectHuggingFace()\n    {\n        if (!await BeforeConnectCheck())\n            return;\n\n        var field = new TextBoxField\n        {\n            Label = \"Hugging Face Token\", // Assuming Label is for the prompt\n            IsPassword = true, // Assuming TextBoxField has an IsPassword property\n            Validator = s =>\n            {\n                if (string.IsNullOrWhiteSpace(s))\n                {\n                    throw new ValidationException(\"Token is required\");\n                }\n            },\n        };\n\n        var dialog = DialogHelper.CreateTextEntryDialog(\n            \"Connect Hugging Face Account\",\n            \"Go to [Hugging Face settings](https://huggingface.co/settings/tokens) to create a new Access Token. Ensure it has read permissions. Paste the token below.\",\n            [field]\n        );\n\n        var result = await dialog.ShowAsync();\n\n        if (result == ContentDialogResult.Primary && !string.IsNullOrWhiteSpace(field.Text))\n        {\n            await accountsService.HuggingFaceLoginAsync(field.Text);\n            await accountsService.RefreshAsync();\n        }\n    }","sourceCodeStart":371,"sourceCodeEnd":407,"githubUrl":"https://github.com/LykosAI/StabilityMatrix/blob/af93d6ef57c01cd890d7e0ad0a9ea8c9fcda3002/StabilityMatrix.Avalonia/ViewModels/Settings/AccountSettingsViewModel.cs#L371-L407","documentation":"ConnectHuggingFace in AccountSettingsViewModel shows a password-masked token dialog whose validator throws ValidationException('Token is required') when the Hugging Face token input is null or whitespace, blocking an empty token from being stored or used for authentication.","triggerScenarios":"Submitting the 'Connect Hugging Face Account' dialog (AccountSettingsViewModel.cs:389) with an empty or whitespace-only token field.","commonSituations":"User clicks Connect before generating/copying a token from huggingface.co/settings/tokens; masked input hides the empty field; clipboard paste failure.","solutions":["Create/copy a Hugging Face access token (read scope) and paste it into the field before confirming.","Trim whitespace from the token before submitting.","Regenerate the token on huggingface.co if it was revoked or expired."],"exampleFix":"// before\nValidator = s => { if (string.IsNullOrWhiteSpace(s)) throw new ValidationException(\"Token is required\"); };\n// after\nValidator = s => { if (string.IsNullOrWhiteSpace(s)) throw new ValidationException(\"Token is required\");\n    if (!s.StartsWith(\"hf_\")) throw new ValidationException(\"Token should start with hf_\"); };","handlingStrategy":"validation","validationCode":"if (string.IsNullOrWhiteSpace(hfToken)) {\n    // obtain a token from huggingface.co/settings/tokens first\n    return;\n}","typeGuard":"bool HasHfToken(string? s) => !string.IsNullOrWhiteSpace(s);","tryCatchPattern":"try { await viewModel.ConnectHuggingFace(); }\ncatch (ValidationException ex) { ShowStatus(ex.Message); }","preventionTips":["Generate a Hugging Face access token before connecting.","Paste tokens immediately after copying to avoid clipboard loss.","Trim whitespace; masked input hides empty or space-only values."],"tags":["validation","token","authentication"],"backgroundTag":"missing-credentials","analyzedSha":"af93d6ef57c01cd890d7e0ad0a9ea8c9fcda3002","analyzedAt":"2026-09-12T19:02:43.389Z","contentChangedAt":"2026-09-12T19:02:43.389Z","schemaVersion":2},"datasetVersion":"2026-09-16T04:17:20.429Z"}