Not too long ago, I received a frantic call from a recently migrated from WordPress to Kirby customer. All was going well until they encountered the frustrating “PHP Fatal error: Uncaught Error: Call to a member function filterBy() on null” error.
I suppose that if you’re reading this blog post, chances are that you, too, are in dire need of getting your Kirby website back online, right?
Well, I’ve got good news for you. I’ve got just the solution for you!