# Pynt for Postman Troubleshooting

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**At a Glance**: 🛠️ If you're facing challenges using [Pynt with Postman](https://docs.pynt.io/documentation/security-testing-integrations/pynt-with-api-testing-tools/pynt-for-postman), this troubleshooting guide will help you resolve common issues for seamless integration and effective API security testing in your Postman environment.
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## **Common error messages**

<table><thead><tr><th width="283">Issue</th><th>Error Message</th></tr></thead><tbody><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-pynt-container-not-running-error">Pynt container not running </a></td><td>Pynt container is not running</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-empty-api-key-error">Empty API key </a></td><td>The API key provided is empty, please provide a valid API key</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-unauthorized-api-key-error">Unauthorized API key</a></td><td>The API key provided was unauthorized, either your API key is invalid or we encountered a network issue.</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-collection-not-found-error">Collection not found</a></td><td>Unable to fetch collection, please make sure a valid collection/environment was provided</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-non-unique-collection-name-error">Non-unique collection name</a></td><td>More than one collection with the same name was found - please provide a unique collection name or collection id</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-empty-collection-identifier-error">Empty collection identifier </a></td><td>The collection identifier provided in the Pynt configuration under "YOUR-COLLECTION" is malformed</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-unreachable-target-error">Unreachable target</a></td><td>We identified that your target is unreachable. Please make sure your target is up and running.  </td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-target-responds-with-errors-error">Target responds with errors</a></td><td>All responses from your functional test collection run returned with errors, please check your collection vs. the target</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-unresolved-target-domain-error">Unresolved Target Domain</a></td><td>The target domain was unresolved. Please make sure your functional tests use the correct domain</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-unresolved-variable-error">Unresolved Variable</a></td><td>The functional tests had an unresolved variable. Check that the environment file is included</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-tls-handshake-fail-error">TLS Handshake Fail</a></td><td>TLS handshake failed because your target uses a self-signed certificate.</td></tr></tbody></table>

## **Common warning messages**

<table><thead><tr><th width="286">Issue</th><th>Warning message</th></tr></thead><tbody><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-few-requests-error">Few requests</a></td><td>We identified only X requests. Adding more requests will provide better security test coverage</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-one-user-only-error">One user only</a></td><td>The functional tests included only one user. Adding more users will allow Pynt to run more accurate tests</td></tr><tr><td><a href="pynt-for-postman-troubleshooting/troubleshoot-failed-assertions-error">Failed assertions</a></td><td>The functional tests had assertions that failed, which affected the security tests. Fixing these assertions will improve the security tests</td></tr></tbody></table>