UE4 Package error

Hello everyone,
I wanted to package my game but suddenly this error came up:

UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_T_03   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_L_01   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_A_04   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_H_A1   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_PC_00   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_PC_01   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_PC_02   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_PC_03   needs. They will be added now. Please save the Skeleton!
UATHelper: Packaging (Windows (64-bit)):   LogInit: Display: LoadErrors: Error: The Skeleton  UE4_Mannequin_Skeleton  is missing bones that SkeletalMesh  MESH_T_01   needs. They will be added now. Please save the Skeleton!

Im currently in version 4.27.2