# Errors and Support

* [How to Report a ScyllaDB Problem](https://docs.scylladb.com/manual/master/troubleshooting/report-scylla-problem.md)
* [Error Messages](https://docs.scylladb.com/manual/master/troubleshooting/error-messages/index.md)
* [How to Change Log Level in Runtime](https://docs.scylladb.com/manual/master/troubleshooting/log-level.md)
* [What to Do in the Event of a Core Dump](https://docs.scylladb.com/manual/master/troubleshooting/report-scylla-problem.md#report-scylla-problem-core-dump)
* [What to Do if You’re Having a Performance Issue](https://docs.scylladb.com/manual/master/troubleshooting/report-scylla-problem.md#report-performance-problem)

Also check out the [Onboarding lesson](https://university.scylladb.com/courses/scylla-operations/lessons/onboarding/topic/onboarding/) on ScyllaDB University