I get this error:
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Thu May 21 18:43:48 CEST 2020
There was an unexpected error (type=Internal Server Error, status=500).
Error during execution of processor 'org.thymeleaf.spring5.processor.SpringInputGeneralFieldTagProcessor' (template: "add-customer" - line 39, col 52)
I uploaded the project to github so it would be easier for you to find the problem .
It works fine until I get to the
http://localhost:8080/new and then it crashes.
github