Hello! I’m trying to figure out why my local runs differ from prefect cloud. I expect that my task will handle exception, and it perfectly works local, but in cloud my flow fails with strange error message “‘traceback’ object is not subscriptable”. How can I fix this?

You can remove all try except blocks and this should fix your issue - no need to trap exceptions if you are using Prefect

Thank you for your answer, but I use try except for validation logic in my flow and it has multiple layers. Is there any convenient way to use try except in prefect?

there certainly is, but you shouldn't need to use try except when you use Prefect - try/except traps an exception. in contrast, with Prefect you can actively use an exception to drive further actions e.g. via triggers and state handlers • https://docs.prefect.io/core/concepts/execution.html#triggers • https://docs.prefect.io/core/concepts/notifications.html#state-handlers