Hi erkandegerli,please take a look at this previously answered question that appears similar to your issue. It seems as though you are using SAP BAS to develop your SAP CAP application. According to boris.tsirulnik's answer here it is not recommended...
Hi akuqb,it is not currently possible to prevent overwriting or deleting of media files using annotations. However, instead a custom handler can be used to implement this functionality. In the custom handler you can check whether a media file has alr...