GarageSale 9.0.5 is too old. Please give the latest beta version of GarageSale 9.3 a try:
It should run fine under macOS 13. If you still experience crashes, please let us know.
In GarageSale 9.3 refresh your eBay access token in the GarageSale preferences > Accounts.
Try the “Import from eBay” feature afterwards once again.