Import feature shows the wrong message “Invalid SKU” even when the SKU is set for the product while importing SKU based pricing CSV.
This issue happens if something went wrong during the WooCommerce / WP update.
To fix this issue follow the steps below,
Goto :
WordPress Admin Panel >
WooCommerce (Sidebar) >
Status >
Tools(Tab) >
Click the regenerate button in front of the option “Product lookup tables” >
