Can't save / submit in New Time condition page

Hi,
I debug and got this error: Uncaught ReferenceError: theForm is not defined
when I try to save / submit new Time condition in
PBX Firmware: 10.13.66-5
System Admin:
I try both Beta 13.0.21.2 and 13.0.20.2 Stable

Any Idea?

Regards,