Error en la base de datos de WordPress: [FUNCTION capitale_wrdp5.JSON_VALID does not exist]
INSERT INTO wp_options (`option_name`, `option_value`) VALUES ('wp_smush_error_counts', '{}') ON DUPLICATE KEY UPDATE `option_value` = IF(JSON_VALID(`option_value`), `option_value`, '{}')

Error en la base de datos de WordPress: [FUNCTION capitale_wrdp5.JSON_SET does not exist]
UPDATE wp_options SET option_value = JSON_SET(option_value, '$.\"error_posting_to_api_ssl-error\"', CAST(JSON_UNQUOTE(IFNULL(JSON_EXTRACT(option_value, '$.\"error_posting_to_api_ssl-error\"'), 0)) + 1 AS SIGNED)) WHERE option_name = 'wp_smush_error_counts';