@TarunKumar ,Resource resource = req.getResourceResolver().getResource("/content/hq/en/testpage");in this line what ever the path you are giving, that resource should be of type myproject/components/content/navigation. 

Hi @TarunKumar ,As per your sling model, you are extending for navigation component. But you are trying to adapt a page as your navigation model. May be thats the reason you are getting null. Try to adapt a resource which is of type (myproject/components/content/navigation).Remember this navigation ...

Hi @TarunKumar , In order to use sling delegation, you have to have adaptable of your sling model as SlingHttpServletRequest and resourceType property in model annotation. your component should have property slingResourceSuperType pointed to right component. https://aemexplained.wordpress.com/aem-gu...

Hi @RamTejaReddy ,We also experienced same problem when we upgraded our AEM version. Please check what is your current version of AEM and ACS commons version you are using.6.5.7 version of aem and above has to use ACS 4.11.2 version or above. Also please check if you have Osgi configuration correct ...

Hi @Reini- ,Can you share how the values are saved in component node (crx/de).Thanks!

Hi @SebasRios34 ,Can you please provide saveDocumentToFilesystem this file or else what is the line at 81, just to see what can be the issue.Thanks!