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---
title: Vertica Connector Troubleshooting
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description: Fix Vertica database connection issues with OpenMetadata's comprehensive troubleshooting guide. Get step-by-step solutions for common errors and problems.
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slug: /connectors/database/vertica/troubleshooting
---
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{% partial file="/v1.9/connectors/troubleshooting.md" /%}
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Learn how to resolve the most common problems people encounter in the Vertica connector.
## Profiler: New session rejected
If you see the following error when computing the profiler `New session rejected due to limit, already XYZ sessions active` ,
it means that the number of threads configured in the profiler workflow is exceeding the connection limits of your
Vertica instance.
Note that by default the profiler runs with 5 threads. In case you see this error, you might need to reduce this number.
