Creating schedules return not helpful error message: Uh oh! Something went wrong.

[syee]

In trying to create many schedules (20 so far) from a Look, it is often that I get the ‘Uh oh! Something went wrong.’
error when saving, even when saving one at a time. Error occurrence is more frequent now, but I am able to get it to work after a few tries each time. There is no further information on it to know how to fix it. The error comes up whether I’m creating from a new or a duplicate schedule, and updating as well. When trying to duplicate a schedule, I just want to change one of the filter values.

Let me know how I could find out what it is complaining about.

This PUT url is returning a 500 error, 1. Request URL:

https://looker-sbx.amobee.com/api/internal/dataflux/scheduled_plans/301

Thanks for any help.