Hello, we recently updated our engine from Unreal 5.3.1 to Unreal 5.4.3, and during the build process, we encountered a large number of LogCook: Error messages, which have left us quite perplexed.
Could you please provide guidance on how to address this issue? We are building for the Win64 target. Below is a portion of the relevant error log.
LogInit: Display: LogCook: Error: Content is missing from cook. Source package referenced an object in target package but the target package was marked NeverCook or is not cookable for the target platform.
Source package: /Game/Main/Map/_Common/StaticMesh/Trash/SM_TrashCollectionA_05
Target package: /Game/backup/_Common/MaterialInstance/OldUnite_Sewers/MI_CanFoodTrashA_01
Referenced object: /Game/backup/_Common/MaterialInstance/OldUnite_Sewers/MI_CanFoodTrashA_01.MI_CanFoodTrashA_01