Space bar has disappeared on the calendar keypad on my iPad mini 4

I was making an appointment on my calendar and got to putting in notes at the bottom when I may have looked away and accidentally touched the IPad. When I went to continue typing the space bar had disappeared. I have tried rebooting. The space bar is working on this screen. I am using IOS 15.8.3. Thank you.

[Re-Titled by Moderator]