Multiplayer error: Cannot read properties of undefined (reading 'updateFromNetworkSyncData')

Describe the bug
When trying a very simple multiplayer test, an error is happening on the opposite client. Basically, as soon as I trigger event on one client, the other client receives the error.

Oddly, the syncing does seem to work sort of. If I clear the error, then trigger again on the same client as before, error reappears. But if I clear the error and then move player 2, everything starts working normally???

Even while the error is visible, the positions update correctly, but only after I stop input.

Here’s the project:

Just wanted to add clarification, this is happening when using the basic Add a Force actions to move the player objects (not physics 2.0)

The error doesn’t occur when manually changing the player object position, or when using TopDown behavior