Revert back to a working version of your code (this may even be a completely blank expo init project).This step is vital in fixing obscure errors. Isolate the code that's throwing the error.Search for the error message in Google and Stack Overflow, it's likely you're not the first person to ever run into this.For errors that aren't as intuitive to solve, here's a good list of steps to take: Sometimes you'll be able to tell exactly what's wrong just by the stacktrace, but other times the error message is a little more cryptic.