Dropbox can not open on MAC

Although I can not start the Dropbox app on my Mac I do have some folders showing up on my Mac although some shared folders come and go but show up on my other devices. tried to attach screenshot but told it exceeded allowed size. here is the error message

bn.BUILD_KEY: Dropbox
bn.VERSION: 138.4.2392
bn.constants.WINDOWS_SHELL_EXT_VERSION: 51
bn.is_frozen: True
machine_id: d53585dc-5ebc-5a18-8de9-b6d9e824886c
pid: 13285
ppid: 1
uid: 501
user_info: pwd.struct_passwd(pw_name='royward', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Roy Ward', pw_dir='/Users/royward', pw_shell='/bin/bash')
effective_user_info: pwd.struct_passwd(pw_name='royward', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Roy Ward', pw_dir='/Users/royward', 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', 'royward', '_serialnumberd'])
effective_group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root', 'royward', '_serialnumberd'])
DYLD_LIBRARY_PATH: None
cwd: '/'
real_path='/'
mode=0o40755 uid=0 gid=0
parent mode=0o40755 uid=0 gid=0
HOME: '/Users/royward'
appdata: '/Users/royward/.dropbox/instance1'
real_path='/Users/royward/.dropbox/instance1'
mode=0o40700 uid=501 gid=20
parent mode=0o40700 uid=501 gid=20
dropbox_path: '/Users/royward/Dropbox'
real_path='/Users/royward/Dropbox'
mode=0o40700 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
sys_executable: '/Applications/Dropbox.app/Contents/MacOS/Dropbox'
real_path='/Applications/Dropbox.app/Contents/MacOS/Dropbox'
mode=0o100755 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
trace.__file__: '/Applications/Dropbox.app/Contents/Resources/python-packages.zip/dropbox/client/ui/common/boot_error.pyc'
real_path='/Applications/Dropbox.app/Contents/Resources/python-packages.zip/dropbox/client/ui/common/boot_error.pyc'
not found
parent not found
tempdir: '/var/folders/j8/_s46vz9s5vvfzs6h1537y0580000gn/T'
real_path='/private/var/folders/j8/_s46vz9s5vvfzs6h1537y0580000gn/T'
mode=0o40700 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
Traceback (most recent call last):
File "dropbox/client/main.pyc", line 832, in wrapper
File "dropbox/client/main.pyc", line 6623, in finish_dropbox_boot
File "dropbox/client/message_queue.pyc", line 313, in _wrapped
File "dropbox/client/main.pyc", line 6170, in _init_components_for_account
File "dropbox/client/main.pyc", line 6094, in create_sync_engine
File "dropbox/sync_engine_boundary/factory.pyc", line 218, in make_sync_engine
File "dropbox/sync_engine/nucleus/classic_client/sync_engine.pyc", line 277, in __init__
File "dropbox/sync_engine/nucleus/classic_client/modern_client/modern_client.pyc", line 247, in __init__
File "dropbox/sync_engine/nucleus/classic_client/modern_client/base.pyc", line 177, in __init__
File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 217, in __init__
File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 529, in _init_new_engine_locked
File "dropbox/sync_engine/nucleus/thin_client/client.pyc", line 133, in __init__
File "desktop/extensions/nucleus/nucleus_python.pyx", line 76, in nucleus_python.NucleusSyncEngine.__cinit__
nucleus_python.SyncEngineError: "Initializing engine |>> Initializing filesystem |>> Attempting to register icons |>> Reading existing xattr |>> fgetxattr syscall: determined size |>> Permission denied"