Troubleshooting

Troubleshooting

Common issues and solutions.

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Connection Issues

"Connection refused"

Solutions:

1. Ensure Unreal Editor is running
2. Enable MCP Automation Bridge plugin
3. Check firewall settings
4. Verify UE_PROJECT_PATH

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Installation Issues

Plugin Build Errors

# Clean and rebuild
rm -rf Plugins/McpAutomationBridge/Intermediate
rm -rf Plugins/McpAutomationBridge/Binaries
# Regenerate project files

"Module not found"

rm -rf node_modules package-lock.json
npm install
npm run build

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Runtime Issues

"Tool not found"

• Check tool name spelling
• Update to latest version: npx unreal-engine-mcp-server@latest

Slow Response

set WASM_ENABLED=false
set MCP_AUTOMATION_REQUEST_TIMEOUT_MS=300000

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Getting Help

• Installation - Setup guide
• Tools Reference - Tool documentation
• GitHub Issues