Hello,
How about exporting like the way that I attached?
1. Check "Split Walls...... by Level" of General tab.
2.Use "Low or Extra Low" in Level of Detail tab.
3.Check "Export linked files as separate IFC's" and "Export only elements visible in view" of Additional Content tab.
https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/IFC-export-stuck-o...
Please mark this response as "Accept as Solution" if it answers your question. Kudos gladly accepted.
Ei Zin Myat
Technical Sales Unit Engineer
ONESTRUCTION Co., Ltd.
eizinmyat@onestruction.com