[v1.9.0] ValueError - openpyxl\reader\excel.py:307

OpenNumismat: 1.9.0
OS: Windows 10 (10.0.22621)
Python: 3.11.3 (64bit)
Qt: 6.5.0
Locale: en

Traceback (most recent call last):
File "openpyxl\reader\excel.py", line 299, in read
File "openpyxl\styles\stylesheet.py", line 198, in apply_stylesheet
File "openpyxl\styles\stylesheet.py", line 103, in from_tree
File "openpyxl\descriptors\serialisable.py", line 83, in from_tree
File "openpyxl\descriptors\sequence.py", line 94, in from_tree
File "openpyxl\descriptors\sequence.py", line 94, in
File "openpyxl\styles\fonts.py", line 109, in from_tree
File "openpyxl\descriptors\serialisable.py", line 103, in from_tree
File "openpyxl\styles\fonts.py", line 75, in __init__
File "openpyxl\descriptors\nested.py", line 35, in __set__
File "openpyxl\descriptors\base.py", line 112, in __set__
File "openpyxl\descriptors\base.py", line 91, in __set__
ValueError: Max value is 14

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

Traceback (most recent call last):
File "OpenNumismat\MainWindow.py", line 674, in importExcel
File "OpenNumismat\Collection\Import\__init__.py", line 127, in importData
File "OpenNumismat\Collection\Import\Excel.py", line 123, in _connect
File "openpyxl\reader\excel.py", line 346, in load_workbook
File "openpyxl\reader\excel.py", line 307, in read
ValueError: Unable to read workbook: could not read stylesheet from //mac/Home/Documents/Import Data Coins.xlsx.
This is most probably because the workbook source files contain some invalid XML.
Please see the exception for more details.