> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://gtm-tools.sh/knowledge-base/troubleshooting/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://gtm-tools.sh/_mcp/server. # Troubleshooting ## Docs - [401 Unauthorized](https://gtm-tools.sh/knowledge-base/troubleshooting/unauthorized.md): Bearer token issues and how to fix them - [402 Insufficient Credits](https://gtm-tools.sh/knowledge-base/troubleshooting/insufficient-credits.md): What to do when the wallet runs dry - [LinkedIn Session Expired](https://gtm-tools.sh/knowledge-base/troubleshooting/linkedin-session.md): Reconnecting after a session times out - [Why is get_email returning not_found?](https://gtm-tools.sh/knowledge-base/troubleshooting/email-not-found.md): get_email returns a reason on every non-ok result. What catch_all, no_mx, unverifiable_provider, no_pattern_verified, smtp_blocked and prober_rejected each mean, and what to do about them. - [Why did I get try_again_later?](https://gtm-tools.sh/knowledge-base/troubleshooting/try-again-later.md): try_again_later is the transient signal from get_email and get_coordinates. It maps to HTTP 429 with Retry-After, it is charged, and each retry charges again. - [Why is employee search returning fewer people than expected?](https://gtm-tools.sh/knowledge-base/troubleshooting/employee-search-results.md): Debugging list_linkedin_company_employees and search_linkedin_company_employees: filter syntax, the difference between the two tools, and why pagination doesn't change the price.