Simple automatic sku product OC 3020
Extension just add unique new sku when create product based on last added product ID.
Not change old sku number or after edit product.
Extension support bulk create product and add sku for all created product from xml, excel or other files which you use for import.
Download extension and unpack, upload ocmod via installer, refresh modification and cache.
Thats all. Create product and check sku.
For more contact support info@iprs.rs
Tested just on 3020 version.
Thank you!