Overall troubleshooting flowchart
The most common problem is an event that is missing and is not shown in the APM vendor's UI. You can use the following problem-solving flowchart to resolve missing events.

Support Resources:
- Instana Support site: Instana. To get help, file a support ticket and attach any logs that are related to your issue.
- Z APM Connect Distributed Gateway possible error scenarios . If problems are caused by Z APM Connect DG, you can consult this material to check and correct possible errors.