Reference will be nullptred for UMG object

Development Programming & Scripting UI
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1

Whenever i close and reopen the editor, I get this error for all of my UMG buttons in my character selector.

I set a button in the editor to reference the button beside it

LogProperty: Warning: Serialized Class /Script/CoreUObject.LinkerPlaceholderExportObject for a property of WidgetBlueprintGeneratedClass /Game/UI/Blueprints/Widgets/WBP_MultiInteractableBase.WBP_MultiInteractableBase_C. Reference will be nullptred.
    Property = ObjectProperty /Game/UI/Blueprints/SWidgetNavigator.SWidgetNavigator:UpWidget_5_FD861EB84EC1616FF4E9B592ACB82680
    Item = LinkerPlaceholderExportObject /Game/UI/Blueprints/Widgets/WBP_CharacterSelectScreen.PLACEHOLDER-INST_of_WBP_CharacterSelectButton_C_13

I have another asset doing the exact same thing with the same construction, but with no issues.