Server application error
 Error code: 200
 Error message: Odoo Server Error
 Error data message:
 muk_dms.file(5,).actions
None
 Error data debug:
 Traceback (most recent call last):
  File "/home/hashim/Odoo_13/odoo/api.py", line 745, in get
    value = self._data[field][record._ids[0]]
KeyError: 5

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/hashim/Odoo_13/odoo/fields.py", line 996, in _get_
    value = env.cache.get(record, self)
  File "/home/hashim/Odoo_13/odoo/api.py", line 751, in get
    raise CacheMiss(record, field)
odoo.exceptions.CacheMiss: ('muk_dms.file(5,).actions', None)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/hashim/Odoo_13/odoo/api.py", line 745, in get
    value = self._data[field][record._ids[0]]
KeyError: 5

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/hashim/Odoo_13/odoo/http.py", line 624, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/hashim/Odoo_13/odoo/http.py", line 310, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/home/hashim/Odoo_13/odoo/tools/pycompat.py", line 14, in reraise
    raise value
  File "/home/hashim/Odoo_13/odoo/http.py", line 669, in dispatch
    result = self._call_function(**self.params)
  File "/home/hashim/Odoo_13/odoo/http.py", line 350, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/hashim/Odoo_13/odoo/service/model.py", line 93, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/hashim/Odoo_13/odoo/http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "/home/hashim/Odoo_13/odoo/http.py", line 915, in _call_
    return self.method(*args, **kw)
  File "/home/hashim/Odoo_13/odoo/http.py", line 515, in response_wrap
    response = f(*args, **kw)
  File "/home/hashim/Odoo_13/addons/web/controllers/main.py", line 1280, in search_read
    return self.do_search_read(model, fields, offset, limit, domain, sort)
  File "/home/hashim/Odoo_13/addons/web/controllers/main.py", line 1299, in do_search_read
    return Model.web_search_read(domain, fields, offset=offset, limit=limit, order=sort)
  File "/home/hashim/Odoo_13/addons/web/models/models.py", line 37, in web_search_read
    records = self.search_read(domain, fields, offset=offset, limit=limit, order=order)
  File "/home/hashim/Odoo_13/odoo/models.py", line 4854, in search_read
    result = records.read(fields)
  File "/home/hashim/custom_addons/muk_dms/models/file.py", line 397, in read
    return super(File, self).read(fields, load=load)
  File "/home/hashim/Odoo_13/odoo/models.py", line 2915, in read
    vals[name] = convert(record[name], record, use_name_get)
  File "/home/hashim/Odoo_13/odoo/models.py", line 5610, in _getitem_
    return self.fields[key].get_(self, type(self))
  File "/home/hashim/Odoo_13/odoo/fields.py", line 2255, in _get_
    return super()._get_(records, owner)
  File "/home/hashim/Odoo_13/odoo/fields.py", line 1023, in _get_
    value = env.cache.get(record, self)
  File "/home/hashim/Odoo_13/odoo/api.py", line 751, in get
    raise CacheMiss(record, field)
odoo.exceptions.CacheMiss: ('muk_dms.file(5,).actions', None)