Hi, Is Anyone have occurred like when adding variable? some how i don't why is missing but when i wanted to use that already exist

Hi Everyone i just build some UI widget with adding some enum and structure but somehow suddenly crash because the variable is not showing but i already created the variable this make all other blueprints that have dependency is crashing
here some images

Blueprint ThridPerson (i should write the Inventory Variabe here)


Did anyone occurred like this need help
is i create another variable is the best solution?
oh here some error logs

The variable Inventory declared in  BP_ThirdPersonCharacter  has an invalid type Array of S Item Details Structures
Pin for variable 'ItemDetails' recreated, but the variable is missing.
Pin for variable 'Inventory' recreated, but the variable is missing.
Invalid property 'Inventory' structure 'S_ItemDetails' error: Struct 'UserDefinedStruct /Game/Prefabs/InventorySystem/S_ItemDetails.S_ItemDetails' is not compiled
The variable Inventory declared in  BP_ThirdPersonCharacter  has an invalid type Array of S Item Details Structures
Could not find a variable named "ItemDetails" in 'MasterItem_C'.
Make sure 'MasterItem_C' has been compiled for  Get ItemDetails
Could not find a variable named "Inventory" in 'BP_ThirdPersonCharacter_C'.
Make sure 'BP_ThirdPersonCharacter_C' has been compiled for  Get Inventory
The property associated with  Inventory  could not be found in '/Game/ThirdPerson/Blueprints/BP_ThirdPersonCharacter.BP_ThirdPersonCharacter_C'
The property associated with  Item Details  could not be found in '/Game/ThirdPerson/Blueprints/BP_ThirdPersonCharacter.BP_ThirdPersonCharacter_C'
Invalid property 'CallFunc_Array_Add_TargetArray' structure 'S_ItemDetails' error: Struct 'UserDefinedStruct /Game/Prefabs/InventorySystem/S_ItemDetails.S_ItemDetails' is not compiled
Failed to create property CallFunc_Array_Add_TargetArray from  <None>  due to a bad or unknown type (Array of S Item Details Structures)
Invalid property 'CallFunc_Array_Add_NewItem' structure 'S_ItemDetails' error: Struct 'UserDefinedStruct /Game/Prefabs/InventorySystem/S_ItemDetails.S_ItemDetails' is not compiled
Failed to create property CallFunc_Array_Add_NewItem from  <None>  due to a bad or unknown type (S Item Details Structure (by ref))
type or paste code here