I am working in: “SpringMVC 5”, with “Twitter Bootstrap 4” html pages, and “Thymeleaf 3” templating, in IntelliJ EAP (latest version) and Tomcat9, Maven The structure of my project: I am using these tutorials: https://www.baeldung.com/spring-thymeleaf-fragments https://www.thymeleaf.org/doc/tutorials/3.0/usingthymeleaf.html#template-layout I have my page (home.html). I have my template (template.html). According to the 2nd tutorial: I inserted the “menubar” into the “template” (this insert