You're viewing **Apigee Edge** documentation.  
[Go to the
**Apigee X** documentation](http://cloud.google.com/apigee/docs/api-platform/reference/policies/error-code-reference). info

Use this page to navigate to playbooks for specific areas where you may encounter problems in Apigee Edge.

| Problem origin | Description | Videos |
|---|---|---|
| ## [Runtime](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#runtimeerrors) | Information and guidance on troubleshooting runtime problems. | [Videos](https://www.youtube.com/playlist?list=PLIXjuPlujxxx2foYHR_OZ8qFENg9jyEzQ) |
| ## [Monetization](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#monetizationproblems) | Troubleshooting commonly observed monetization problems. |   |
| ## [Deployment](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#deploymenterrors) | Procedures that can be followed for troubleshooting deployment errors. |   |
| ## [Developer Portal](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#developerportalerrors) | Troubleshooting common issues encountered when using the developer portal. |   |
| ## [Analytics](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#analyticsproblems) | Procedures for troubleshooting commonly observed analytics problems. |   |
| ## [Edge Router](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#nginxproblems) | Troubleshooting problems caused by bad config files. |   |
| ## [OpenLDAP](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#openldapproblems) | Information and guidance on troubleshooting OpenLDAP problems. |   |
| ## [Trace Tool](https://docs.apigee.com/api-platform/debug/using-trace-tool-0) | Trace is a tool for troubleshooting and monitoring API proxies running on Apigee Edge. |   |
| ## [Zookeeper](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#zookeeperproblems) | Information and guidance on troubleshooting common ZooKeeper problems. |   |
| ## [Edge Antipatterns](https://discuss.google.dev/t/the-book-of-apigee-edge-antipatterns-version-2-0/17348) | Avoid common pitfalls, maximize the power of your APIs. |   |
| ## [Diagnostic Tools](https://docs.apigee.com/api-platform/troubleshoot/apigee-edge-error-messages#diagnostictoolsandlogs) | Information on useful diagnostic tools for troubleshooting. |   |