message d'erreurs pour les listes de consommations

lorsque je clique sur consommations, voici le message qui apparaît :

## 13/07/2018 08:13:36 | 1.2.3.3 | wxPython 3.0.1.0 msw (classic) | win32 Windows 10 AMD64 ##
Traceback (most recent call last):
File "wx\lib\agw\hypertreelist.pyc", line 3274, in OnPaint
File "wx\lib\agw\hypertreelist.pyc", line 3045, in PaintLevel
File "wx\lib\agw\hypertreelist.pyc", line 3181, in PaintLevel
File "wx\lib\agw\hypertreelist.pyc", line 3092, in PaintLevel
File "wx\lib\agw\hypertreelist.pyc", line 2764, in PaintItem
File "wx\_gdi.pyc", line 4237, in GetMultiLineTextExtent
TypeError: String or Unicode type required



impossible d'éditer quelque liste que ce soit

## 28/07/2018 14:44:44 | 1.2.3.3 | wxPython 3.0.1.0 msw (classic) | win32 Windows 10 AMD64 ##
Traceback (most recent call last):
File "wx\lib\agw\customtreectrl.pyc", line 8003, in OnInternalIdle
File "wx\lib\agw\hypertreelist.pyc", line 3898, in CalculatePositions
File "wx\lib\agw\hypertreelist.pyc", line 3856, in CalculateLevel
File "wx\lib\agw\hypertreelist.pyc", line 3875, in CalculateLevel
File "wx\lib\agw\hypertreelist.pyc", line 3860, in CalculateLevel
File "wx\lib\agw\hypertreelist.pyc", line 3777, in CalculateSize
File "wx\_gdi.pyc", line 4237, in GetMultiLineTextExtent
TypeError: String or Unicode type required