VRC0010: Cannot sync variable because behaviour is set to NoVariableSync, change the behaviour sync mode to sync variables

Property	Value
ID	VRC0010
Category	Unexpected
Severity	Warning
Runtime Version	3.1.0 ~ latest

Cannot sync variable because behaviour is set to NoVariableSync, change the behaviour sync mode to sync variables

Example

Code with Diagnostic

using UdonSharp;

using VRC.Udon.Common.Interfaces;

[UdonBehaviourSyncMode(BehaviourSyncMode.NoVariableSync)]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class TestBehaviour0 : UdonSharpBehaviour
{
    [UdonSynced(UdonSyncMode.Smooth)]
    private int _var;
}

Code with Fix

// NOT YET PROVIDED