dvc: Unexpected error - Adding files

Everytime that im trying to add some individuals files or complete directories the same unexpected error appears:

> dvc add -v -R model
DEBUG: Trying to spawn '['c:\\users\\luisfelipe_melo_mora\\appdata\\local\\programs\\python\\python37-32\\python.exe', 'C:\\Users\\luisfelipe_melo_mora\\AppData\\Local\\Programs\\Python\\Python37-32\\Scripts\\dvc', 'daemon', '-q', 'updater']'
DEBUG: Spawned '['c:\\users\\luisfelipe_melo_mora\\appdata\\local\\programs\\python\\python37-32\\python.exe', 'C:\\Users\\luisfelipe_melo_mora\\AppData\\Local\\Programs\\Python\\Python37-32\\Scripts\\dvc', 'daemon', '-q',
'updater']'
ERROR: unexpected error - Already unlocked
------------------------------------------------------------
Traceback (most recent call last):
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\dvc\main.py", line 48, in main
    cmd = args.func(args)
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\dvc\command\base.py", line 48, in __init__
    updater.check()
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\dvc\updater.py", line 54, in check
    self._with_lock(self._check, "checking")
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\dvc\updater.py", line 45, in _with_lock
    func()
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\flufl\lock\_lockfile.py", line 338, in __exit__
    self.unlock()
  File "c:\users\luisfelipe_melo_mora\appdata\local\programs\python\python37-32\lib\site-packages\flufl\lock\_lockfile.py", line 287, in unlock
    raise NotLockedError('Already unlocked')
flufl.lock._lockfile.NotLockedError: Already unlocked
------------------------------------------------------------


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I have a remote configuration by SSH:

['remote "myssh"']
url = ssh://domain:/path
user = myuser
port = 22
ask_password = true
[core]
remote = myssh

And here the version of dvc that im using:

> dvc version
DVC version: 0.69.0
Python version: 3.7.4
Platform: Windows-10-10.0.17134-SP0
Binary: False
Package: pip
Cache: reflink - False, hardlink - True, symlink - False

Thanks for your help!