When entering its name, the creation window closes without adding the interrupt.

The mod don't create interrupt that use to simple schedule.
The interrupt is a new feature of Factorio 2.0.

Yes, but when the mod is enabled, it is not possible to create interruptions. (create a new interruption, enter a name, confirm)
And when it is disabled, they are created.

ah I understood unfortunately I can't do anything about it. probably a bug or an element that was not planned in the factorio API
I will report this problem

Took me a while to narrow down to this mod. Unfortunate.
Interupts cancelled.
I'd rather have interrupts and schedule selection/sharing than this mod, so into the check later folder it goes.

for me it's a bug I have commit a bug report
https://forums.factorio.com/viewtopic.php?f=7&t=118044