Troubleshooting Center
Find solutions for common DeepSeek Harness errors and issues. Start from the exact message, then verify one layer at a time.
DeepSeekDSH documentation·Independent community resource

Installation Errors
Package and command setup problems.
3 starting checksAPI Errors
Authentication and provider problems.
3 starting checksWeb UI Errors
Local server and browser issues.
3 starting checksPlugin Errors
Extension loading and compatibility.
3 starting checksModel & Provider
Model IDs, endpoints and responses.
3 starting checksSystem & Environment
Operating system and runtime checks.
3 starting checksPopular solutions
Command not foundConfirm Node.js and reopen the terminal
Port 3080 already in useCheck whether DSH is already running
Plugin failedDisable the plugin and verify dependencies