Not rocket science by any means, but with Google returning exactly 0 search results for this error message, hope this is helpful for some ✌️
Make sure you name not just the struct (`arr` in this example), but also the fields in the struct:
Since I founded Poki, we’ve grown a lot. Every month, tens of millions of players around the world use our platform for easy access to free games. More recently, we’ve launched a publishing service to help game developers succeed on web and mobile.
What once started as a collection of web games is now growing into a platform for play: Poki brings game developers and users together in a sustainable way and gives developers a fair share of gameplay revenue. …
There are places to go and things to see, but for many reasons, we’re often stuck to our computers. From the moment I started running an internet company, I’ve been playing with the idea of combining work and travel.
My product was code, my users were online, and advertising revenue was paid by companies to whom I sent emails but never actually met. I heard stories about digital nomads — poker players and freelance programmers, traveling to far-away places with nothing more than a laptop, but still being able to have a gratifying and interesting job.
Digital nomadism was a…