Major Detected during tests of 4.8.3.
Create a page and an exhaustive content.
On this exhaustive, add a file on field "Pièces jointes" : 
=> In logs, following error is present :
Date : 31/10 14:52:58.487 Utilisateur : admin#ametys_demo_users Thread : Thread[http-nio-8080-exec-9,5,main] Niveau : ERROR Catégorie : org.ametys.runtime.cocoon.ThreadSafeTraxProcessor URI de la requête : /cms/www/fr/page1.html Message : The following uri is inconsistent 'view://stylesheets/helper/common.xsl' because it leads to two different files in the same request: 'resource://org/ametys/cms/stylesheets/helper/common.xsl' and 'resource://org/ametys/web/stylesheets/helper/common.xsl'. The XSLT cache is not working so please report this issue to https://issues.ametys.org Emplacement : org.apache.cocoon.util.log.SLF4JLoggerAdapter.error(SLF4JLoggerAdapter.java:50)
