I'm receiving an error message when using the desktop app, any help?

bn.BUILD_KEY: Dropbox
bn.VERSION: 11.4.22
bn.DROPBOXEXT_VERSION: failed
bn.is_frozen: True
pid: 13451
ppid: 1
uid: 501
user_info: pwd.struct_passwd(pw_name='superman', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Superman', pw_dir='/Users/superman', pw_shell='/bin/bash')
effective_user_info: pwd.struct_passwd(pw_name='superman', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Superman', pw_dir='/Users/superman', pw_shell='/bin/bash')
euid: 501
gid: 20
egid: 20
group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root'])
effective_group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root'])
DYLD_LIBRARY_PATH: None
cwd: u'/Applications/Dropbox.app/Contents/Resources'
real_path=u'/Applications/Dropbox.app/Contents/Resources'
mode=040755 uid=501 gid=80
parent mode=040755 uid=501 gid=80
HOME: u'/Users/superman'
appdata: u'/Users/superman/.dropbox/instance1'
real_path=u'/Users/superman/.dropbox/instance1'
mode=040700 uid=501 gid=20
parent mode=040700 uid=501 gid=20
dropbox_path: u'/Users/superman/Dropbox'
real_path=u'/Users/superman/Dropbox'
not found
parent mode=040755 uid=501 gid=20
sys_executable: '/Applications/Dropbox.app/Contents/MacOS/python'
real_path='/Applications/Dropbox.app/Contents/MacOS/python'
mode=0100755 uid=501 gid=80
parent mode=040755 uid=501 gid=80
trace.__file__: '/Applications/Dropbox.app/Contents/Resources/lib/python2.7/site-packages.zip/dropbox/client/ui/common/boot_error.pyo'
real_path='/Applications/Dropbox.app/Contents/Resources/lib/python2.7/site-packages.zip/dropbox/client/ui/common/boot_error.pyo'
not found
parent not found
tempdir: u'/var/folders/0m/j_y3rln506z_2l0xfksyq3r40000gn/T'
real_path=u'/private/var/folders/0m/j_y3rln506z_2l0xfksyq3r40000gn/T'
mode=040700 uid=501 gid=20
parent mode=040755 uid=501 gid=20
Traceback (most recent call last):
File "dropbox/client/main.pyo", line 5493, in main_startup
File "dropbox/client/main.pyo", line 2307, in run
File "ui/common/uikit.pyo", line 512, in create_ui_kit
File "ui/cocoa/uikit.pyo", line 122, in <module>
File "Tungsten/__init__.pyo", line 29, in <module>
File "objc/_lazyimport.pyo", line 76, in __init__
File "objc/_lazyimport.pyo", line 38, in _loadBundle
ImportError: Bundle could not be loaded