210211_yunohost_error

Yunohost encountered an internal error:/
Really sorry about that.
You should look for help on the forum or the chat to fix the situation, or report the bug on the bugtracker.
The following information might be useful for the person helping you:
Action

POST /apps
{"app":"redirect","args":"domain=huginn.floriandrx.nohost.me&path=%2F&redirect_path=http%3A%2F%2F127.0.0.1%3A49156&redirect_type=private_proxy","label":"Huginn"}

Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/moulinette/interfaces/api.py", line 485, in process
    ret = self.actionsmap.process(arguments, timeout=30, route=_route)
  File "/usr/lib/python2.7/dist-packages/moulinette/actionsmap.py", line 592, in process
    return func(**arguments)
  File "/usr/lib/moulinette/yunohost/log.py", line 360, in func_wrapper
    operation_logger.error(e)
  File "/usr/lib/moulinette/yunohost/log.py", line 591, in error
    return self.close(error)
  File "/usr/lib/moulinette/yunohost/log.py", line 625, in close
    self.flush()
  File "/usr/lib/moulinette/yunohost/log.py", line 526, in flush
    dump = yaml.safe_dump(self.metadata, default_flow_style=False)
  File "/usr/lib/moulinette/yunohost/log.py", line 567, in metadata
    'yunohost_version': get_ynh_package_version("yunohost")["version"],
  File "/usr/lib/moulinette/yunohost/utils/packages.py", line 46, in get_ynh_package_version
    out = check_output(cmd).split()
  File "/usr/lib/python2.7/dist-packages/moulinette/utils/process.py", line 31, in check_output
    return subprocess.check_output(args, stderr=stderr, shell=shell, **kwargs).strip()
  File "/usr/lib/python2.7/subprocess.py", line 216, in check_output
    process = Popen(stdout=PIPE, *popenargs, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 394, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 938, in _execute_child
    self.pid = os.fork()
OSError: [Errno 12] Cannot allocate memory