[v1.8.2] SystemError - Users/robert/open-numismat/OpenNumismat/TabView.py:156

OpenNumismat: 1.8.2
OS: Darwin 17.7.0 (Darwin Kernel Version 17.7.0: Fri Oct 4 23:08:59 PDT 2019; root:xnu-4570.71.57~1/RELEASE_X86_64)
Python: 3.6.4 (64bit)
Qt: 5.9.2
Locale: es

RuntimeError: wrapped C/C object of type PageView has been deleted

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "Users/robert/open-numismat/OpenNumismat/MainWindow.py", line 711, in openCollectionEvent
File "Users/robert/open-numismat/OpenNumismat/MainWindow.py", line 747, in openCollection
File "Users/robert/open-numismat/OpenNumismat/Tools/CursorDecorators.py", line 11, in wrapper
File "Users/robert/open-numismat/OpenNumismat/MainWindow.py", line 772, in setCollection
File "Users/robert/open-numismat/OpenNumismat/TabView.py", line 185, in setCollection
File "Users/robert/open-numismat/OpenNumismat/TabView.py", line 156, in activatedPage
SystemError: PyEval_EvalFrameEx returned a result with an error set