How fix
delete
if ( $args['qib_archive_after'] = "Before Add to cart" ) {
add_action( 'woocommerce_after_shop_loop_item', 'qib_quantity_field_archive', 9 );
} else {
add_action( 'woocommerce_after_shop_loop_item', 'qib_quantity_field_archive', 11 );
}
in /wp-content/plugins/qty-increment-buttons-for-woocommerce/qty-increment-buttons-for-woocommerce.php
