5.6 使用Mass Spawner Subsystem批量生成实体时提示不能使用同步API

UMassSpawnerSubsystem* spawnerSubsys=UWorld::GetSubsystem<UMassSpawnerSubsystem>(GetWorld());

TArray<FMassEntityHandle> spawnedEntitys;

UMassEntityConfigAsset* entityConfig_3=LoadObject<UMassEntityConfigAsset>(this,TEXT(""));

FMassEntityTemplate entityTemp_3=entityConfig_3->GetOrCreateEntityTemplate(*GetWorld());

spawnerSubsys->SpawnEntities(entityTemp_3,200,spawnedEntitys);

有人能告诉我有没有异步API,还是说异步API需要自己去实现