Game crashes after trying to change any option to do with numbers

[SusDTSteve]

Describe the bug
IDK if its a me thing, but every time i try to change a one way arrow direction, the game crashes.

To Reproduce
Steps to reproduce the behavior:

1. Create a level
2. Place 1 way arrow
3. Press V
4. Press enter

Expected behavior
I would be able to edit the direction.

Screenshots

Desktop (please complete the following information):

• OS: Lubuntu
• Version: