OPENERP 6.1

Bonjour,

j'ai télécharger un module de la paie marocaine sous openerp 6.1 et en installant ce module il y ce message d'erreur qui s'affiche

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Server Error


Client Traceback (most recent call last):

File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\common\http.py", line 180, in dispatch
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\controllers\main.py", line 1004, in call_button
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\controllers\main.py", line 948, in call_common
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\controllers\main.py", line 962, in _call_kw
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\common\openerplib\main.py", line 250, in proxy
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\common\openerplib\main.py", line 117, in proxy
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\common\http.py", line 611, in send

Server Traceback (most recent call last):

File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\web\common\http.py", line 592, in send
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\netsvc.py", line 360, in dispatch_rpc
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\service\web_services.py", line 572, in dispatch
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\osv\osv.py", line 167, in execute_kw
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\osv\osv.py", line 121, in wrapper
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\osv\osv.py", line 176, in execute
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\osv\osv.py", line 164, in execute_cr
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\base\module\wizard\base_module_upgrade.py", line 101, in upgrade_module
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\pooler.py", line 39, in restart_pool
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\registry.py", line 160, in new File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\loading.py", line 338, in load_modules
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\loading.py", line 253, in load_marked_modules
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\loading.py", line 165, in load_module_graph
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\module.py", line 409, in load_openerp_module
File "C:\Program Files\OpenERP 6.1-1\server.\openerp\modules\module.py", line 139, in load_module
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\syst_hr_payroll_ma__init__.py", line 4, in <module>
File "C:\Program Files\OpenERP 6.1-1\server\openerp\addons\syst_hr_payroll_ma\inits.py", line 6, in <module> ImportError: cannot import name invoice

Donc comment faire pour résoudre ce problème ? Merci d'avance pour vous réponse