jas8522

websavers

This plugin adds a new report under the WooCommerce Stock tab that provides inventory reports and allows 
SKU sorting.

WooCommerce Advanced SKU Reports

This plugin enables inventory reports sorted by SKU

WordPress Monsters

When you are creating new products in your webshop using a WooCommerce plugin, you can get the unique SKU error for your product and SKU can’t be saved properly. This happens because in the database there are old variations of previously created products that have the same SKU number. WooCommerce SKU Error Fixer plugin solves this problem by cleaning and/or removing old products variables and also you can setup automatic checking and fixing of non-unique SKU problem when you edit a product.

SKU Error Fixer for WooCommerce

Doesn't work

This plugin fixes a unique SKU error of WooCommerce products.

WooCommerce Advanced SKU Reports vs SKU Error Fixer for WooCommerce