Spawn entity in processor

I’m trying to generate some entity in the processor,but I found some warnings in the api.

checkf(IsProcessing() == false, TEXT(“Synchronous API function %hs called during mass processing. Use asynchronous API instead.”), FUNCTION);

There is one and only one BatchCreateEntities that does not have this line of code, but the function does not appear to be asynchronous either, although it runs without any problems so far
Is this a risky operation?
Thank you for your help

In the entity manager you can use Defer() to make the call use the asynchronous api.

“Even though synchronized manipulation methods are available in most cases the entity operations are performed via a command buffer. The default command buffer can be obtained with a Defer() call”