Hi czydrm, can you please update to the 2.9.6 Plugin update as I’ve made some validation changes to the merge import process, this should be working now. 🙂
http://www.visser.com.au/wp-ecommerce/premium-plugin-updates/
If after updating you still experience issues can you please get in touch via the Contact page as I’ll use your CSV file to reproduce the issue under WP e-Commerce 3.8.7.1.
