Where does the bug appear (feature/product)?
Cursor IDE
Describe the Bug
Request ID: 02340bfe-0e07-438d-bf3c-0a872f8bc64b
{“error”:“ERROR_OPENAI”,“details”:{“title”:“Unable to reach the model provider”,“detail”:“We encountered an issue when using your API key: Provider was unable to process your request\n\nAPI Error:\n\n\n10 validation errors detected: Value null at 'toolConfig.tools.1.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.2.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.3.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.4.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.5.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.6.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.7.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.8.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.9.member.toolSpec.name' failed to satisfy constraint: Member must not be null; Value null at 'toolConfig.tools.10.member.toolSpec.name' failed to satisfy constraint: Member must not be null\n”,“additionalInfo”:{},“buttons”:,“planChoices”:},“isExpected”:true}
[invalid_argument] Error
Rpe: [invalid_argument] Error
at iw1 (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:35723:27646)
at fog (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:35723:26375)
at hw1 (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:35724:7469)
at kog.run (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:35724:12370)
at async qle.runAgentLoop (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:48124:2927)
at async k7g.streamFromAgentBackend (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:48195:12809)
at async k7g.getAgentStreamResponse (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:48195:21069)
at async sut.submitChatMaybeAbortCurrent (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:35854:1995)
at async no (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:47078:33305)
Steps to Reproduce
Try to use “eu.anthropic.claude-fable-5” via AWS Bedrock in Cursor IDE and you hit this error
Expected Behavior
fable-5 works via AWS Bedrock
Operating System
MacOS
Linux
Version Information
Version: 3.7.21
VS Code Extension API: 1.105.1
Commit: 517f696d8ab6c53eb04fbfdaae705cd146bf3460
Date: 2026-06-07T21:46:09.237Z
Layout: editor
Build Type: Stable
Release Track: Default
Electron: 39.8.1
Chromium: 142.0.7444.265
Node.js: 22.22.1
V8: 14.2.231.22-electron.0
xterm.js: 6.1.0-beta.256
OS: Darwin arm64 25.5.0
For AI issues: which model did you use?
Fable-5
For AI issues: add Request ID with privacy disabled
02340bfe-0e07-438d-bf3c-0a872f8bc64b
Does this stop you from using Cursor
No - Cursor works, but with this issue