A first run error, is an error that a developer get’s when they are testing their application in places that have never been tested.
Types of errors - Web Page errors
- [[400]] Bad Request
- [[403.14]] Forbidden
- [[404]]
- [[405]]
- [[CORS]] Cross Origin ….
Errors found on the Console (F12)
- [[NullInjectorError_No_Provider_For_Http_Client]]
- [[NullInjectorError_No_Provider_For_ToastrService]]