Problem mit EnergySystem "'NoneType' object has no attribute 'Hide'"

1019 01:46:39092 :: Traceback (most recent call last):

1019 01:46:39093 ::   File "uiTaskBar.py", line 136, in OnUpdate

1019 01:46:39093 ::   File "uiTaskBar.py", line 100, in RefreshStatus

1019 01:46:39093 ::   File "uiTaskBar.py", line 111, in SetEnergy

1019 01:46:39093 :: AttributeError
1019 01:46:39093 :: : 
1019 01:46:39093 :: 'NoneType' object has no attribute 'Hide'
1019 01:46:39093 ::