Then its visible with the error that data which you are trying to add to a node is invalid. Check any asset which is already in dam and try ti post same data and see how it behaves.

Nothing to do with page or component resource type.Where are you trying to post this data to? 

Make sure your custom code is not overriding any custom node.Have you try to override any node?

refer this link and update your code-https://www.argildx.com/technology/migration-of-scr-annotations-to-ds-annotations/

Did you check details here-https://docs.adobe.com/content/help/en/experience-manager-65/assets/extending/mac-api-assets.html

Hi,Can you let us know whether you are asking component which is under apps or the component which is content authored on a page?1. If it's in apps you cant get it back and for that you should have code in git /svn from where you can get it back.2. If its on the page then you can get the versioned p...

Hi Anusha, Please refer this link for your requirement-https://helpx.adobe.com/experience-manager/using/bootstrap_grid.htmlWell explained how to create a column component.

I think you don't need to create custom bundle as  connector is there as explained in the doc- com.adobe.granite.oak.s3connector-1.10.0.zip.And well explained in the docs like how to configure it ,just follow the steps you should be able to achieve it -https://docs.adobe.com/content/help/en/experien...

But as mentioned by @Jorg it's not a good idea to have this in package & i would suggest to use the approach suggested by jorg.

in ui.apps pom