Au moment ou je sélectionne Facturation - Factures - Génération voici le message d'erreur qui apparaît
## 20/02/2015 09:53:21 | 1.1.4.1 | win32 Windows XP x86 ##
Traceback (most recent call last):
File "Noethys.py", line 2459, in On_facturation_factures_generation
File "DLG_Factures_generation.pyc", line 52, in __init__
File "DLG_Factures_generation.pyc", line 58, in Creation_Pages
File "<string>", line 1, in <module>
File "DLG_Factures_generation_parametres.pyc", line 171, in __init__
File "CTRL_Selection_activites.pyc", line 203, in __init__
File "CTRL_Selection_activites.pyc", line 126, in __init__
File "CTRL_Selection_activites.pyc", line 131, in MAJ
File "CTRL_Selection_activites.pyc", line 140, in SetListeChoix
File "wx\_core.pyc", line 12860, in Append
TypeError: String or Unicode type required
