I am trying to send quotations out to customers. I have the outgoing server setup and test successfully. I am getting these error messages.

Error:

Odoo Server Error

Traceback (most recent call last):

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 654, in _handle_exception

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 312, in _handle_exception

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/tools/pycompat.py", line 87, in reraise

    raise value

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 696, in dispatch

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 344, in _call_function

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/service/model.py", line 97, in wrapper

    return f(dbname, *args, **kwargs)

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 337, in checked_call

    result = self.endpoint(*a, **kw)

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 939, in __call__

    return self.method(*args, **kw)

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/http.py", line 517, in response_wrap

    response = f(*args, **kw)

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/addons/web/controllers/main.py", line 966, in call_button

    action = self._call_kw(model, method, args, {})

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/addons/web/controllers/main.py", line 954, in _call_kw

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/api.py", line 749, in call_kw

    return _call_kw_multi(method, model, args, kwargs)

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/api.py", line 736, in _call_kw_multi

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

  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20181218-py3.7.egg/odoo/addons/mail/models/mail_mail.py", line 269, in send

    smtp_session.quit()

  File "/opt/bitnami/python/lib/python3.7/smtplib.py", line 984, in quit

    res = self.docmd("quit")

  File "/opt/bitnami/python/lib/python3.7/smtplib.py", line 420, in docmd

    self.putcmd(cmd, args)

  File "/opt/bitnami/python/lib/python3.7/smtplib.py", line 367, in putcmd

    self.send(str)

  File "/opt/bitnami/python/lib/python3.7/smtplib.py", line 359, in send

    raise SMTPServerDisconnected('please run connect() first')

smtplib.SMTPServerDisconnected: please run connect() first

what should I do?