# Extension Errors This page covers **database-related errors and connectivity issues** in WriteBackExtreme. Topics include database connection failures, authentication and permission problems, schema or table errors, write failures, and data integrity issues. It also explains how to verify database availability and review relevant logs for root cause analysis. Use this page when writeback actions fail due to database errors or when WriteBackExtreme cannot communicate with its database. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.infotopics.com/writebackextreme/troubleshooting-and-faq/extension-errors.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.