Cannot save time lapse default settings


#1

What is the problem?
After changing tim lapse settings, I cannot safe these settings as default. I cannot klick the box; it is showing a red, slashed circle

I did a restart but it did not help.
Am I missing something here?


#2

found the problem ...

The printer has to be on and connected to octoprint. Otherwise, the default settings cannot be set.
I tried to change the default settings when the printer was off.