Upgrade to oik-weight-zone-shipping v0.2.2 for internationalized strings for migration. This version may also resolve a problem where a Warning message is produced while listing Shipping classes.
oik-weight-zone-shipping v0.2.2
WordPress plugins and themes
Blocks
Shortcodes
Reference
Weight shipping plugins
Find out which cart weight shipping plugin you need for your WooCommerce site.
Which cart weight based plugin do I need?