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The following are common errors observed while configuring the connectors, or during crawling, and their possible reasons.
| Configuration step | Error message | Possible reasons |
|---|---|---|
| Full crawl | Error from database server: A transport-level error has occurred when receiving results from the server. |
Arises due to network issues. It is recommended to check network logs using Microsoft network monitor and reach out to Microsoft customer support. |
| Full crawl | Column column_name returned from full crawl SQL query contains non-alphanumeric character |
Nonalphanumeric characters (like underscores) are not allowed in column names in the SELECT clause. Use aliases to rename columns and remove nonalphanumeric characters (Example - SELECT column_name AS columnName). |
If you have issues or want to provide feedback, contact Microsoft Graph | Support.