If you're experiencing an issue where the optimization tab in myPhotoVault remains stuck on an animation with no option to delete copies, follow these steps to troubleshoot and resolve the situation:

1. Restart the App:
- Close myPhotoVault completely by swiping up from the app switcher and swiping myPhotoVault off the screen. Then, reopen the app and check if the optimization tab now functions properly.

2. Check for App Updates:
- Open the App Store on your iPhone and navigate to the "Updates" tab to see if there is an update available for myPhotoVault. If there is, update the app as the latest version might solve the optimization issue.

3. Clear App Cache:
- If possible, try clearing the cache of the app. This may help in resolving any lingering issues that are causing the app to stutter at the optimization stage. You can do this by going to the app settings within myPhotoVault, if available.

4. Reboot Your iPhone:
- Restart your iPhone to ensure that there are no underlying issues with the device that could be affecting app performance. Hold the power button and either volume button until the shutdown slider appears, then slide to turn off.

5. Resync Photos:
- If the duplicates have synced from iCloud or any other service, you may need to resync your photos. To do this, go to your iPhone settings, tap on your Apple ID at the top, select iCloud, and then toggle “Photos” off and back on again to reset the sync.

6. Check for Duplicate Photo Options:
- Navigate through the settings in myPhotoVault to locate any specific options for managing duplicates. Sometimes, the deletion options may not appear immediately unless you access a particular menu or feature within the app.

7. Contact Support:
- If none of the above steps resolve the issue, consider reaching out to myPhotoVault support directly. They may have specific solutions for app-related problems that are not widely documented.

8. Community Forums:
- You can also consult user forums like Apple Support Communities where similar issues have been discussed. For example, there are discussions around duplicate photos and deletion options that might give additional context or solutions - learn more - learn more.

Following these steps should help you address the issue with the optimization tab in myPhotoVault.