When you encounter this action could not being completed or if you don't have the enough access privileges for this operation issue, the main reason is that ITunes cannot receive Take to the shared folder.
The explanations are as follows:
ITunes creates a hidden folder in this directory called "SC Info," which needs to is accessible by all users in order for ITunes Store authorizations to work properly. In some situations people could find, the entire Shared folder is missing, and in other situations the permissions for T His folder is set incorrectly.
Here's how to fix it:
In Terminal, run the following command:
1.mkdir-p/users/shared2.sudo chmod-r 1777/users/shared
The original text reads as follows:
https://www.cnet.com/news/itunes-crashing-with-access-privileges-error-in-10-6-7/
When you add an account to XCode or itune, you are prompted: This action is could not being completed. or Access privileges