Odoo Server Error
Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/tools/cache.py", line 88, in lookup
    r = d[key]
  File "/home/odoo/src/odoo/odoo/tools/func.py", line 69, in wrapper
    return func(self, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/tools/lru.py", line 44, in __getitem__
    a = self.d[obj].me
KeyError: ('ir.model.data', <function IrModelData.xmlid_lookup at 0x7f0bfc76ad90>, 'base.module_saas_base_import')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/tools/safe_eval.py", line 350, in safe_eval
    return unsafe_eval(c, globals_dict, locals_dict)
  File "", line 11, in <module>
  File "/home/odoo/src/odoo/odoo/api.py", line 864, in ref
    return self['ir.model.data'].xmlid_to_object(xml_id, raise_if_not_found=raise_if_not_found)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1420, in xmlid_to_object
    t = self.xmlid_to_res_model_res_id(xmlid, raise_if_not_found)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1404, in xmlid_to_res_model_res_id
    return self.xmlid_lookup(xmlid)[1:3]
  File "<decorator-gen-25>", line 2, in xmlid_lookup
  File "/home/odoo/src/odoo/odoo/tools/cache.py", line 93, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1393, in xmlid_lookup
    raise ValueError('External ID not found in the system: %s' % xmlid)
ValueError: External ID not found in the system: base.module_saas_base_import

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/http.py", line 656, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/odoo/src/odoo/odoo/http.py", line 314, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/home/odoo/src/odoo/odoo/tools/pycompat.py", line 87, in reraise
    raise value
  File "/home/odoo/src/odoo/odoo/http.py", line 698, in dispatch
    result = self._call_function(**self.params)
  File "/home/odoo/src/odoo/odoo/http.py", line 346, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "/home/odoo/src/odoo/odoo/http.py", line 941, in __call__
    return self.method(*args, **kw)
  File "/home/odoo/src/odoo/odoo/http.py", line 519, in response_wrap
    response = f(*args, **kw)
  File "/home/odoo/src/odoo/addons/web/controllers/main.py", line 966, in call_button
    action = self._call_kw(model, method, args, {})
  File "/home/odoo/src/odoo/addons/web/controllers/main.py", line 954, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 759, in call_kw
    return _call_kw_multi(method, model, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 746, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_actions.py", line 553, in run
    res = func(action, eval_context=eval_context)
  File "/home/odoo/src/odoo/addons/website/models/ir_actions.py", line 57, in run_action_code_multi
    res = super(ServerAction, self).run_action_code_multi(action, eval_context)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_actions.py", line 444, in run_action_code_multi
    safe_eval(action.sudo().code.strip(), eval_context, mode="exec", nocopy=True)  # nocopy allows to return 'action'
  File "/home/odoo/src/odoo/odoo/tools/safe_eval.py", line 373, in safe_eval
    pycompat.reraise(ValueError, ValueError('%s: "%s" while evaluating\n%r' % (ustr(type(e)), ustr(e), expr)), exc_info[2])
  File "/home/odoo/src/odoo/odoo/tools/pycompat.py", line 86, in reraise
    raise value.with_traceback(tb)
  File "/home/odoo/src/odoo/odoo/tools/safe_eval.py", line 350, in safe_eval
    return unsafe_eval(c, globals_dict, locals_dict)
  File "", line 11, in <module>
  File "/home/odoo/src/odoo/odoo/api.py", line 864, in ref
    return self['ir.model.data'].xmlid_to_object(xml_id, raise_if_not_found=raise_if_not_found)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1420, in xmlid_to_object
    t = self.xmlid_to_res_model_res_id(xmlid, raise_if_not_found)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1404, in xmlid_to_res_model_res_id
    return self.xmlid_lookup(xmlid)[1:3]
  File "<decorator-gen-25>", line 2, in xmlid_lookup
  File "/home/odoo/src/odoo/odoo/tools/cache.py", line 93, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_model.py", line 1393, in xmlid_lookup
    raise ValueError('External ID not found in the system: %s' % xmlid)
ValueError: <class 'ValueError'>: "External ID not found in the system: base.module_saas_base_import" while evaluating
"# Available variables:\n#  - env: Odoo Environment on which the action is triggered\n#  - model: Odoo Model of the record on which the action is triggered; is a void recordset\n#  - record: record on which the action is triggered; may be void\n#  - records: recordset of all records on which the action is triggered in multi-mode; may be void\n#  - time, datetime, dateutil, timezone: useful Python libraries\n#  - log: log(message, level='info'): logging function to record debug information in ir.logging table\n#  - Warning: Warning Exception to use with raise\n# To return an action, assign: action = {...}\n\nenv.ref('base.module_saas_base_import').sudo().button_immediate_install()"