Apple's macOS Sequoia 15.2 update introduces a bug that prevents SuperDuper from creating bootable backups.The bug arises from a 'Resource Busy' error during the backup process, making it impossible to copy system preboot or recovery files.Shirt Pocket, the developer of SuperDuper, has filed a bug report with Apple, but a resolution is pending.Temporary workaround involves using SuperDuper's 'Backup - all files' option, but it doesn't create bootable backups.