[v1.8.2] AttributeError - d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py:814

OpenNumismat: 1.8.2
OS: Windows 8.1 (6.3.9600)
Python: 3.4.4 (32bit)
Qt: 5.5.1
Locale: ar

Traceback (most recent call last):
File "d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py", line 797, in closeEvent
File "d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py", line 800, in __shutDown
File "d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py", line 814, in __saveParams
AttributeError: 'NoneType' object has no attribute 'pagesParam'