PVZ GW - Error: ''DirectX Mantle''...

Hello. Recently there was a problem when you start the game. Before the game started and everything was fine. Game began to fail - "mantle function" grGetExtensionSupport(m_gpus[gpuIndex],"GR_WSI_WINDOWS')"failed with GR_ERROR_INVALID_HANDLE.GPU:""(0),Driver:0" . Honestly, what problem can not understand. Just everything worked, but not now. Help solve the problem...