To resolve a NullReferenceException caused by plain C# objects make sure you've assigned a value, and either don't unassign it, or check that's the case.
new. This can be done inline or in a method like Awake or Start.null to the reference before you access it.Or:
null before you access it (choose one)null:if (example == null)
{
// Exit early.
return;
}
// Code that uses example.null check:if (example != null)
{
// Code that uses example.
}example?.Do(); // Example of null-conditional member access.