Hello Community,

I am trying to send a quotation through the system, but the following errors keeps on showing and obviously it is not working for me. Your help will be highly appreciated:

OpenERP Server Error

Client Traceback (most recent call last):
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\http.py", line 195, in dispatch
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\controllers\main.py", line 1079, in call_kw
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\controllers\main.py", line 1071, in _call_kw
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\session.py", line 43, in proxy
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\session.py", line 31, in proxy_method
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\session.py", line 104, in send

Server Traceback (most recent call last):
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\web\session.py", line 90, in send
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\netsvc.py", line 295, in dispatch_rpc
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\service\web_services.py", line 614, in dispatch
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\osv\osv.py", line 188, in execute_kw
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\osv\osv.py", line 131, in wrapper
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\osv\osv.py", line 198, in execute
  File "C:\Program Files\OpenERP 7.0\Server\server\.\openerp\osv\osv.py", line 185, in execute_cr
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\email_template\wizard\mail_compose_message.py", line 85, in onchange_template_id
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\document\document.py", line 121, in create
  File "C:\Program Files\OpenERP 7.0\Server\server\openerp\addons\document\document.py", line 132, in _index
TypeError: 'NoneType' object is not iterable