question on importing k2 categories

Hello

I am trying to import several k2 categories from a csv file and i need them to be under a parent category, on the parent field i have referenced to k2 category table on ID but problem is that i dont find a way to actually set the ID number. See attached screenshot, on the select column i keep getting that blank field with those options.

Thanks in advance.

Hello,
Please choose as defined option for parent column and directly enter the category ID in the textfield below.

Ok did that, now i am trying to make the import but the Import now button is not working. Any known reason why? it just stays in that screen if i press cancel it goes back but the import is not done. Nothing on the logs, its like the button is not working at all.

Hello on another browser i was able to see this message. What can i do?

The error message comes up when you click the button multiple times. It means the button is working, Please wait for a while after clicking the button.

Well i pressed once and have waited for like 15 mins and nothing happens, its not a big csv (5 kb) it should be done fast, clearly the problem is other here.