when posting comment, there’s an error

when i’m trying to post a comment, there is an error appear, how can i fix it? could anyone help me pls!

that’s the error

WordPress database error: [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 a€?WHERE comment_ID = 101a€2 at line 1]
UPDATE wp_comments SET comment_reply_ID= WHERE comment_ID = 101;

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 51

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 52

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 53

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 55

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 56

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 57

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-comments-post.php on line 58

Warning: Cannot modify header information – headers already sent by (output started at /home/twenty4/public_html/24hrz/wp-includes/wp-db.php:98) in /home/twenty4/public_html/24hrz/wp-includes/pluggable-functions.php on line 129