Erro no banco de dados do WordPress: [Duplicate key name 'product_key']
ALTER TABLE `wp_wpf_meta_data` ADD INDEX `product_key` (`product_id`, `key_id`), ADD INDEX `key_id` (`key_id`), ADD INDEX `key_dec` (`val_dec`, `key_id`), ADD INDEX `key_int` (`val_int`, `key_id`), ADD INDEX `val_id` (`val_id`)