What version of the game you are experiencing the issue with:
TBC

Describe the bug
I want to put down the Debuffs a bit closer to the Nameplate itself.
So i tryd to play with Offset Y AuraWidget, suddenly it wont work for me.
The Offset X i can change perfectly somehow.
Neither the Scaling of my Target Highlighting works.

To Reproduce
Steps to reproduce the behavior:

1. Go to Buffs Debuffs
2. Click on Aura Offsets
3. See error

Iam assuming something prior wont let me change the settings...

Thanks for help!

See if you can move it through the Theme Customization feature. You can find it at the bottom of your profile settings.