Error Explained: Cannot read properties of undefined/null (reading '[property name]')

tl;dr The object that comes before the property in parentheses does not have a value (meaning: it is undefined or null). Check where it was supposed to be assigned a value to determine why not. General 💡 Note: this error is shown for either undefine...

Michael J. Kazin

5 min read

Michael J. Kazin

1 follower

Software engineer for 20+ years- mostly working on distributed systems, scalable backends, and four generations of mobile devices (Palm Pilot, SBC, WinCE, Android, Alexa).