diff --git a/Jenkinsfile b/Jenkinsfile
index bac8b34..34b4295 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,7 +17,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=253']) {
+        withEnv(['NEXT_BUILD_NUMBER=255']) {
           // env.versionNumber = VersionNumber(versionNumberString : '0.9.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '0.9.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.versionNumberBeta = VersionNumber(versionNumberString : '0.9.${BUILD_DATE_FORMATTED, "yyMM"}-beta.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
diff --git a/NKC_WF/Web.config b/NKC_WF/Web.config
index 9a607d0..af313a9 100644
--- a/NKC_WF/Web.config
+++ b/NKC_WF/Web.config
@@ -35,8 +35,8 @@
       <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah"/>
       <add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah"/>
     </httpModules>
-    <!--<customErrors mode="On" defaultRedirect="~/ErrorPages/Oops.aspx"/>-->
-    <customErrors mode="Off"/>
+    <customErrors mode="On" defaultRedirect="~/site/Default"/>
+    <!--<customErrors mode="Off"/>-->
   </system.web>
   <appSettings>
     <!--Configurazioni generali-->