If you want to use the same sku in multiple products then the following filter will remove unique validation , so you can’t see the error for duplicate SKU in woocommerce.
add_filter( 'wc_product_has_unique_sku', '__return_false', PHP_INT_MAX );
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If you want to use the same sku in multiple products then the following filter will remove unique validation , so you can’t see the error for duplicate SKU in woocommerce.
add_filter( 'wc_product_has_unique_sku', '__return_false', PHP_INT_MAX );