Can't edit a form template after previewing

[ganncamp (G Ann Campbell)]

List of Form Templates → [eyeball] → Toggle Preview & then Edit => Error Something went wrong

[Lilly (Lillian Louis)]

hmm yes I can reproduce this in multiple instances including Meta. Ubuntu with Chrome or MacBook with Safari.

[pmusaraj (Penar Musaraj)]

Thanks for the report, @ganncamp, this is now fixed by this PR from @keegan.