Let me guess – you're here because your Mac just threw this cryptic error message at you: errordomain=nscocoaerrordomain&errormessage=opgegeven opdracht niet gevonden.&errorcode=4. I've been there, and trust me, I know exactly how frustrating it feels when your system starts speaking in what looks like developer gibberish.
Here's the thing: this error isn't as scary as it…
