error somewhere inside 
 
"""""""
"""        info""""
   ""     """
  '""  """

this is what the error messsage is that is thrown when installing CRM module in odoo16 enterprise, what could be the reason.
That piece of code is inside
odoo.tools.convert.ParseError: while parsing /opt/odoo16/odoo/addons/crm/data/crm_team_data.xml:3, somewhere inside

---------------------------------------------------------------------------
----------------------------------------------------------------------------
and this is the full traceback 
RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 698, in _tag_root
    f(rec)
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 599, in _tag_record
    record = model._load_records([data], self.mode == 'update')
  File "/opt/odoo16/odoo/odoo/models.py", line 4356, in _load_records
    data['record']._load_records_write(data['values'])
  File "/opt/odoo16/odoo/odoo/models.py", line 4287, in _load_records_write
    self.write(values)
  File "/opt/odoo16/odoo/addons/crm/models/crm_team.py", line 134, in write
    result = super(Team, self).write(vals)
  File "/opt/odoo16/odoo/addons/mail/models/mail_alias_mixin.py", line 71, in write
    self.mapped('alias_id').sudo().write(alias_vals)
  File "/opt/odoo16/odoo/addons/mail/models/mail_alias.py", line 135, in write
    vals['alias_name'] = self._clean_and_check_unique([vals.get('alias_name')])[0]
  File "/opt/odoo16/odoo/addons/mail/models/mail_alias.py", line 195, in _clean_and_check_unique
    raise UserError(
odoo.exceptions.UserError: The e-mail alias info@smarten.com.np is already used by the Mobile App Developer Job Position. Choose another alias or change it on the other document.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/opt/odoo16/odoo/odoo/http.py", line 1584, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "/opt/odoo16/odoo/odoo/service/model.py", line 133, in retrying
    result = func()
  File "/opt/odoo16/odoo/odoo/http.py", line 1611, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/opt/odoo16/odoo/odoo/http.py", line 1815, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "/opt/odoo16/odoo/addons/website/models/ir_http.py", line 235, in _dispatch
    response = super()._dispatch(endpoint)
  File "/opt/odoo16/odoo/odoo/addons/base/models/ir_http.py", line 154, in _dispatch
    result = endpoint(**request.params)
  File "/opt/odoo16/odoo/odoo/http.py", line 697, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/opt/odoo16/odoo/addons/web/controllers/dataset.py", line 46, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "/opt/odoo16/odoo/addons/web/controllers/dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/opt/odoo16/odoo/odoo/api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/opt/odoo16/odoo/odoo/api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "", line 2, in button_immediate_install
  File "/opt/odoo16/odoo/odoo/addons/base/models/ir_module.py", line 76, in check_and_log
    return method(self, *args, **kwargs)
  File "/opt/odoo16/odoo/odoo/addons/base/models/ir_module.py", line 491, in button_immediate_install
    return self._button_immediate_function(type(self).button_install)
  File "/opt/odoo16/odoo/odoo/addons/base/models/ir_module.py", line 615, in _button_immediate_function
    registry = modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "", line 2, in new
  File "/opt/odoo16/odoo/odoo/tools/func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "/opt/odoo16/odoo/odoo/modules/registry.py", line 90, in new
    odoo.modules.load_modules(registry, force_demo, status, update_module)
  File "/opt/odoo16/odoo/odoo/modules/loading.py", line 488, in load_modules
    processed_modules += load_marked_modules(cr, graph,
  File "/opt/odoo16/odoo/odoo/modules/loading.py", line 372, in load_marked_modules
    loaded, processed = load_module_graph(
  File "/opt/odoo16/odoo/odoo/modules/loading.py", line 231, in load_module_graph
    load_data(cr, idref, mode, kind='data', package=package)
  File "/opt/odoo16/odoo/odoo/modules/loading.py", line 71, in load_data
    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 763, in convert_file
    convert_xml_import(cr, module, fp, idref, mode, noupdate)
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 829, in convert_xml_import
    obj.parse(doc.getroot())
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 749, in parse
    self._tag_root(de)
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 698, in _tag_root
    f(rec)
  File "/opt/odoo16/odoo/odoo/tools/convert.py", line 711, in _tag_root
    raise ParseError('while parsing %s:%s, somewhere inside\n%s' % (
odoo.tools.convert.ParseError: while parsing /opt/odoo16/odoo/addons/crm/data/crm_team_data.xml:3, somewhere inside

        info
        
    

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    at makeErrorFromResponse (https://smarten.com.np/web/assets/4099-a56b93a/web.assets_backend.min.js:992:163)
    at XMLHttpRequest. (https://smarten.com.np/web/assets/4099-a56b93a/web.assets_backend.min.js:1000:13)