style: change exception msg

src/dumper/dumper.cs

@@ -161,7 +161,7 @@ class Dumper
                 || !TryGetProp(props, "Role", out EPlayerRole role)
                 || !TryGetProp(props, "Inventory", out bool isInventory)
                 || !TryGetProp(props, "IsFakeItem", out bool isFakeItem))
-                throw new KeyNotFoundException("Type, UIData, Role, Inventory or IsFakeItem was not found.");
+                throw new KeyNotFoundException($"Required properties missing for Item: {rowKey}");
 
             UIDataStruct uiData = uiDataFb.MapToStruct<UIDataStruct>();
 
@@ -191,7 +191,7 @@ class Dumper
                 || !TryGetProp(props, "UIData", out FStructFallback uiDataFb)
                 || !TryGetProp(props, "Inventory", out bool isInventory)
                 || !TryGetProp(props, "IsFakeItem", out bool isFakeItem))
-                throw new KeyNotFoundException("Role, UIData, Inventory or IsFakeItem was not found");
+                throw new KeyNotFoundException($"Required properties missing for offering: {rowKey}");
 
             UIDataStruct uiData = uiDataFb.MapToStruct<UIDataStruct>();
 
@@ -224,7 +224,7 @@ class Dumper
                 || !TryGetProp(props, "DlcIdEpic", out string epicId)
                 || !TryGetProp(props, "DlcIdGRDK", out string grdkId)
                 )
-                throw new KeyNotFoundException("DLC id or DisplayName was not found");
+                throw new KeyNotFoundException($"Required properties missing for DLC: {rowKey}");
 
 
             string? displayName = null;