Problem rendering JSF page

I have a very "annoying" problem, yesterday I had a JSF system working perfectly with all pages opening correctly. When I log into the system today the page looks like this:

NocomponentofPrimefacesorJSFisworkinganymore.ThisisthethirdtimethishappensandsofarIdonotunderstandwhy.TheonlysolutionIfoundwastostartanewprojectandcopyeverythingtoit,butIwouldliketoknowwhatthatproblemmightbe.

Web.xml:

<?xmlversion="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    version="3.0">
    <display-name>Inventario</display-name>
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>
        *.xhtml</url-pattern>
    </servlet-mapping>
    <context-param>
        <param-name>primefaces.THEME</param-name>
        <param-value>bootstrap</param-value>
    </context-param>
</web-app>

I'm using Maven in my project, and I have all the right dependencies.