Ultimate Level Design Kit - Troubleshooting

Symptom	Check
Preview is visible while the mouse is outside the viewport	Only frozen previews should stay visible outside viewport hover. Press `Space` to toggle frozen/moving preview state.
Preview color changes after editing Details values	The preview should stay on `M_ULDK_VizGhost`. If a placed material appears on the preview, reset the tool or reselect it.
Escape starts a new preview after selecting/deleting	Escape should cancel the active tool, not auto-toggle a tool on. Re-enter placement manually from the toolbar.
Copy Tool places only one selected item	Select all source actors before starting Copy Tool. The preview should include every selected source actor.

Symptom	Check
Cleared material slot keeps the old material	Clearing a slot should restore the ULDK default material. If the editor still shows the old material, reselect the actor after recompiling/reloading the plugin.
Cylinder ring material appears in the wrong order	Material Slot 2 appears only after slot 1 and only when Ring Count is greater than zero.
Barrel color wheel pauses	Wood Tint and Hoop Tint are material-only edits. They should update dynamic material parameters without rebuilding procedural mesh sections.
UV settings reset when switching slots	Use UV Material Slot stores per-slot UV settings; leave it off only when all slots should share the visible UV values.

Symptom	Check
Preview is visible while the mouse is outside the viewport	Only frozen previews should stay visible outside viewport hover. Press `Space` to toggle frozen/moving preview state.
Preview color changes after editing Details values	The preview should stay on `M_ULDK_VizGhost`. If a placed material appears on the preview, reset the tool or reselect it.
Escape starts a new preview after selecting/deleting	Escape should cancel the active tool, not auto-toggle a tool on. Re-enter placement manually from the toolbar.
Copy Tool places only one selected item	Select all source actors before starting Copy Tool. The preview should include every selected source actor.

Symptom	Check
Cleared material slot keeps the old material	Clearing a slot should restore the ULDK default material. If the editor still shows the old material, reselect the actor after recompiling/reloading the plugin.
Cylinder ring material appears in the wrong order	Material Slot 2 appears only after slot 1 and only when Ring Count is greater than zero.
Barrel color wheel pauses	Wood Tint and Hoop Tint are material-only edits. They should update dynamic material parameters without rebuilding procedural mesh sections.
UV settings reset when switching slots	Use UV Material Slot stores per-slot UV settings; leave it off only when all slots should share the visible UV values.