RPC throwing error "Mode is 0, master is 1"

Archive
1
:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By scarf

Hey! I’m trying to start a function on the server from a client, when that client joins, but im getting this error:

enter image description here
enter image description here728×72 6.58 KB

Here’s the code:

enter image description here
enter image description here850×217 19 KB