I get this error while i try to install the module mrp_subproduct in openerp 6.1. What might be the problem?
OpenERP Server Error
Client Traceback (most recent call last):
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\common\http.py", line 180, in dispatch
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\controllers\main.py", line 1052, in call_button
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\controllers\main.py", line 996, in call_common
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\controllers\main.py", line 1010, in _call_kw
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\common\openerplib\main.py", line 250, in proxy
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\common\openerplib\main.py", line 117, in proxy
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\common\http.py", line 608, in send
Server Traceback (most recent call last):
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\web\common\http.py", line 593, in send
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\netsvc.py", line 360, in dispatch_rpc
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\service\web_services.py", line 586, in dispatch
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\osv\osv.py", line 167, in execute_kw
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\osv\osv.py", line 121, in wrapper
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\osv\osv.py", line 176, in execute
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\audittrail\audittrail.py", line 495, in execute_cr
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\osv\osv.py", line 164, in execute_cr
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\openerp\addons\base\module\module.py", line 361, in button_immediate_install
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\pooler.py", line 39, in restart_pool
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\registry.py", line 202, in new
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\loading.py", line 338, in load_modules
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\loading.py", line 253, in load_marked_modules
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\loading.py", line 192, in load_module_graph
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\loading.py", line 90, in <lambda>
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\modules\loading.py", line 132, in _load_data
File "C:\Program Files (x86)\OpenERP 6.1-20120930-233203\Server\server\.\openerp\tools\convert.py", line 970, in convert_csv_import
AttributeError: 'NoneType' object has no attribute 'import_data'