[v1.8.13] ValueError - OpenNumismat\SummaryDialog.py:149

OpenNumismat: 1.8.13
OS: Windows 10 (10.0.19041)
Python: 3.4.4 (32bit)
Qt: 5.5.1
Locale: en

Traceback (most recent call last):
File "OpenNumismat\MainWindow.py", line 578, in summaryEvent
File "OpenNumismat\Tools\DialogDecorators.py", line 11, in __init__
File "OpenNumismat\SummaryDialog.py", line 34, in __init__
File "OpenNumismat\SummaryDialog.py", line 149, in fillSummary
ValueError: could not convert string to float: '5.81 g'