[v1.8.13] ValueError - OpenNumismat\Collection\Import\Colnect.py:215

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

Traceback (most recent call last):
File "OpenNumismat\Collection\Import\Colnect.py", line 822, in clicked
File "OpenNumismat\Collection\Import\Colnect.py", line 579, in addCoin
File "OpenNumismat\Collection\Import\Colnect.py", line 215, in makeItem
ValueError: could not convert string to float: