Toggling Sub Anim Instance properties displays ID numbers in Anim Preview

When toggling Sub Anim Instance Properties in an animation blueprint, the properties will be listed in the Anim Preview Editor with ID numbers.

1. Open QAGame in editor.
2. Open that anim blueprint SubInst_Crash.
3. Select the Sub Anim Instance node.
4. In the Details panel, enable some properties.
5. Compile.

RESULT:

In the Anim Preview Editor, the properties are listed with ID numbers.