Can´t set the Trigger type on cue list. "Go/Follow/Wait"

Can´t set the Trigger type on cue list. “Go/Follow/Wait”

I press the current trigger value (Go, Follow, or Wait) of the desired cue.
But the pop-up window do not appear. I did the same procedure the other day and it worked.
But suddenly the pop-up doesn’t appear.

I use two screens on my computer.