Why can't I use MAT2 to delete Metadate?

I wanted to use Mat2 on Whonix and installed everything listed in Requirements. However, if you delete it with mat2, an error will appear as follows. How can I solve it?

$ mat2 -L apple.jpeg
bwrap: setting up uid map: No such file or directory
ERROR: Something went wrong during the processing of apple.jpeg: Command '['/usr/bin/bwrap', '--ro-bind', '/usr', '/usr', '--ro-bind', '/lib', '/lib', '--ro-bind', '/lib64', '/lib64', '--ro-bind', '/bin', '/bin', '--ro-bind', '/sbin', '/sbin', '--ro-bind', '/home/user/Documents', '/home/user/Documents', '--ro-bind', '/etc/ld.so.cache', '/etc/ld.so.cache', '--dev', '/dev', '--chdir', '/home/user/Documents', '--unshare-all', '--new-session', '--bind', '/tmp/tmpbm97y7zd', '/home/user/Documents', '--ro-bind', '/home/user/Documents/apple.jpeg', '/home/user/Documents/apple.jpeg', '/usr/bin/exiftool', '-all=', '-adobe=', '-exif:all=', '-Time:All=', '-quiet', '-CommonIFD0=', '-o', 'apple.cleaned.jpeg', 'apple.jpeg']' returned non-zero exit status 1.
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