Please follow below steps line by line and try to check if none of the step got missed as it is lovely straight forward feature provided by Adobehttps://medium.com/@toimrank/aem-site-theme-cfe8db4ed920

@ChakaneSh Looks like there is an issue with the person age field as it is validating it and throwing errors. Try below things:1. remove number field and try to save. If it works, looks like there is some issue with ootb number field.2. Create a vanilla instance having same service pack, don't insta...

@Self annotation injects the adaptable object itself. If the @Self annotation is present it is tried to adapt the adaptable to the field type. So anytime, when you need to extract some data from the request or resource in your model (like remote user id or parent resource path), you can create a mod...

@Self AnnotationAccording to the documentation, this annotation injects the adaptable object itself. If the @Self annotation is present it is tried to adapt the adaptable to the field type.  @ScriptVariable & @SlingObjectThe key difference is in the way the object is retrieved. @ScriptVariable and  ...

Package installation is the only way to upgrade to 6.5.19Follow below link, similarly we can upgrade. First perform dry run in local before running on dev or any other environments.https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/instructions-needed-for-setting-up-local-aem-...

Follow below for the samehttp://www.sgaemsolutions.com/2019/01/dynamically-populate-drop-down-values.html

@Uppari_Ramesh  PROS and CONS for servlet by path and resource typehttps://sourcedcode.com/blog/aem/aem-sling-servlet-resource-type-for-post-get-code-example-codeImplementationhttps://medium.com/@toimrank/aem-sling-servlet-ca9e5926a384#:~:text=Using%20Paths,use%20to%20register%20a%20servlet.Write ap...

@Uppari_Ramesh cool, Congratulations !!!

We can't access system console directly in AEMaaCS. If it's for any OSGI configuration it has to be deployed via code. For more detailshttps://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/how-can-i-access-aem-as-cloud-service-system-console-for-both/m-p/419949 for crx/de please ...

Sitemap creation for both AEM as a cloud service and on prem having externalize and extension less URL.