# Troubleshooting

- [Firewall Allowlisting](/oe/oe-celonis/troubleshooting/allowlisting.md): See the details of OE firewall configuration.
- [Digital Processes Debugger](/oe/oe-celonis/troubleshooting/digital-processes-debugger.md): Solve errors with Digital Processes Debugger - it helps out to solve problems with digital processes in your own.
- [Generating a HAR File with Logs](/oe/oe-celonis/troubleshooting/logs-generation.md): Learn how you can generate logs.
- [FAQ](/oe/oe-celonis/troubleshooting/faq.md): See our troubleshooting guides.
- [Receiving Alerts for Scenario Errors](/oe/oe-celonis/troubleshooting/faq/receiving-alerts.md): Learn how to get notified about errors.
- [Make Scenario Not Valid in OE](/oe/oe-celonis/troubleshooting/faq/make-scenario-not-valid.md): See how to proceed with an invalid Make scenario.
- [Digital Processes Blocked by Scenario Errors](/oe/oe-celonis/troubleshooting/faq/errors-handling.md): See how to proceed when a digital process is blocked with Make scenario errors.
- [Invalid Digital Processes](/oe/oe-celonis/troubleshooting/faq/invalid-digital-processes.md): See how to fix an invalid digital process.