Mysql paging stored procedure call error

has not written a stored procedure before. I encountered this problem for the first time and didn"t understand it. I hope some great god can give me some advice! < span class= "emoji emoji-pray" >

The sql statement is as follows :

CREATE DEFINER=`root`@`%`
PROCEDURE `pager`
(
    IN `table_name` varchar(50),
    IN `columes` varchar(200),
    IN `page_size` int,
    IN `page_now` int,
    IN `where_str` varchar(200),
    IN `order_str` varchar(200),
    OUT `out_rows` int
 )
    DETERMINISTIC
    COMMENT ""
BEGIN
    DECLARE m_begin_row INT DEFAULT 0;
    DECLARE m_limit_string CHAR(64);

    SET m_begin_row = (page_now - 1) * page_size;
    SET m_limit_string = CONCAT("LIMIT", m_begin_row, ",", page_size);

    SET @COUNT_STRING = CONCAT("SELECT COUNT(*) INTO @ROWS_TOTAL FROM ", table_name, " ", where_str);
    SET @MAIN_STRING = CONCAT("SELECT ", columes, " FROM ", table_name, " ", where_str, " ", order_str,m_limit_string);

    PREPARE count_stmt FROM @COUNT_STRING;
    EXECUTE count_stmt;
    DEALLOCATE PREPARE count_stmt;
    SET out_rows = @ROWS_TOTAL;

    PREPARE main_stmt FROM @MAIN_STRING;
    EXECUTE main_stmt;
    DEALLOCATE PREPARE main_stmt;
END

call parameters are as follows:

call pager("bco_cms.cms_coupon_user","*",1,3,"","",@result);

the error is as follows:

1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near "1" at line 1