Odoo Server Error

Traceback (most recent call last):

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 624, in _handle_exception

    return super(JsonRequest, self)._handle_exception(exception)

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 310, in _handle_exception

    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

  File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 14, in reraise

    raise value

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 669, in dispatch

    result = self._call_function(**self.params)

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 350, in _call_function

    return checked_call(self.db, *args, **kwargs)

  File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 94, in wrapper

    return f(dbname, *args, **kwargs)

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 339, in checked_call

    result = self.endpoint(*a, **kw)

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 915, in _call_

    return self.method(*args, **kw)

  File "/usr/lib/python3/dist-packages/odoo/http.py", line 515, in response_wrap

    response = f(*args, **kw)

  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1322, in call_kw

    return self._call_kw(model, method, args, kwargs)

  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1314, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "/usr/lib/python3/dist-packages/odoo/api.py", line 383, in call_kw

    result = _call_kw_model(method, model, args, kwargs)

  File "/usr/lib/python3/dist-packages/odoo/api.py", line 356, in _call_kw_model

    result = method(recs, *args, **kwargs)

  File "/usr/lib/python3/dist-packages/odoo/models.py", line 1232, in default_get

    value = field.convert_to_cache(value, self, validate=False)

  File "/usr/lib/python3/dist-packages/odoo/fields.py", line 2762, in convert_to_cache

    raise ValueError("Wrong value for %s: %s" % (self, value))

ValueError: Wrong value for slide.channel.user_ids: 4931