Error in the procedure when called a second time in the same session, where a newly created or replace table is used within a for loop

/* SQL Error (1064): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 */

DELIMITER //

CREATE OR REPLACE PROCEDURE `ci_gp2t_1`(

ans out VARCHAR2 

) 

AS

BEGIN

EXECUTE immediate 'create or replace table gp_gr (

Gr_code CHAR(80),

Gr_name CHAR(120),

Gr_type_code CHAR(20) 

)ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci;';

FOR t IN (SELECT * FROM gp_gr)

LOOP

SELECT 1 FROM dual;

END LOOP;

END//

DELIMITER ;

CALL ci_gp2t_1(@d);

SELECT @d