Multiplayer: RPC spawn on server gives LogNet error

Development Programming & Scripting Multiplayer & Networking
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1

I have 2 characters and they can spawn blocks. When I let them spawn these things on my client (in my controller class), it makes an RPC to the server and the server calls the spawn function on every client:

My Controller:

213441-controller.png
213441-controller.png975×439 115 KB

How I create the block:

213442-spawn.png
213442-spawn.png1136×196 75.3 KB

If I spawn something on my client, everything is fine, it gets replicated on my server and both have the same new spawned block. But if I do it on my server, the client camera changes (as if your character died, possession changed maybe?) and in the log I get following message:

LogNet: Received invalid swap message with child index -1

What is wrong?

2

When you spawn your block on client and multicast it works because the server has a reference to client’s controller. The reverse is not true, when server PC does a multicast, the client does not have an instance of host’s PC.