Topic

Troubleshooting

Error-fixing (combine with How To)

How to fix Claude Code 'No available IDEs detected' in WSL with Cursor

Claude Code's /ide command says 'No available IDEs detected' when Cursor runs on Windows and the CLI runs in WSL. Launch Cursor from inside WSL to fix it. Telling five similar failures apart.

How to fix Claude Code creating a 'nul' file on Windows

Claude Code on Windows under Git Bash writes an undeletable file named nul into the project root. Delete it with the Win32 \?\ prefix, then update additionalDirectories so the CLI stops re-creating it.

How to fix Zapier "Response payload size exceeded maximum allowed payload size (6291556 bytes)" error

A Zap step throws "Response payload size exceeded maximum allowed payload size (6291556 bytes)" when the upstream returns more than ~6 MiB. Trim it: paginate, project fields, disable file content inlining, or replace the trigger with an inbound webhook.

How to fix MCP Token expired without refresh token in Claude Code

Claude Code's MCP OAuth loop forces a fresh /login every 24 hours. Here is why, and the three steps that actually break the cycle.

Fix Cursor 3 "Agent Execution Timed Out" and Jupyter not opening

The extension host is not running or is unresponsive. Three fixes: restart the extension host (Ctrl+Shift+P > Developer: Restart Extension Host), clear the extension cache, or disable conflicting extensions. Works on Windows and macOS.

How to fix n8n Google Sheets "Quota exceeded" rate-limit errors

Google Sheets API allows around 100 reads per 100 seconds per user. In n8n: add a 1-second delay between items, enable batching on the node, or switch to a service account with its own quota.

Fix UiPath Studio CS0246 "GlobalVariablesNamespace" publish error

CS0246 GlobalVariablesNamespace fires at Publish even when Studio runs the project clean. The fix has four paths: re-add the namespace, prefix references, restore the .local folder, or move the project off a non-NTFS path. Match your variant from the table.

How to fix CrewAI hierarchical DelegateWorkToolSchema validation error

Upgrade CrewAI to a release containing PR #2608. The schema accepts Union[str, dict] and _run coerces dict args back to strings. Four failures look the same, four fixes.

How to fix LangChain MultiServerMCPClient NotImplementedError on Windows

MultiServerMCPClient raises NotImplementedError on Windows because asyncio does not support Unix sockets. Fix: pass transport="streamable_http" or run inside WSL2. Full workaround inside.

How to fix Claude Code SessionStart hooks firing without context

Plugin SessionStart hooks fire but Claude does not see additionalContext. Move the hook to ~/.claude/settings.json. Plus four similar bugs that need different fixes.