Describe the bug
Not able to import Submodels/SubModelElements exported from iec-cdd.
Aasx Package Explorer v3 Version v2023-11-17

To Reproduce
By following this screencast Import_IEC_CDD_Class_Export

Steps to reproduce the behavior:

1. Download iec-cdd excel-files
2. Place them in a folder AasxPackageExplorer\iec-cdd\export 2024-01-01
3. Select an AAS in Package Explorer
4. Import Submodel from Dictionary
5. Select the iec-cdd “Source” in the “Dictionary Import” menu, an error occurs.
6. See error

Same error messages occurs when importing as SubModelElements.

Error

Error: Unhandled exception in AasxPackageExplorer v1.0.0.0: No data is available for encoding 1252.
For information on defining a custom encoding, see the documentation for the Encoding.RegisterProvider method. No data is available for encoding 1252. For information on defining a custom encoding, see the documentation for the Encoding.RegisterProvider method. at at System.Text.Encoding.GetEncoding(Int32 codepage) at ExcelDataReader.ExcelReaderConfiguration..ctor() at ExcelDataReader.ExcelReaderFactory.CreateReader(Stream fileStream, ExcelReaderConfiguration configuration)...