Help with this Database error after commenting?

Hello,

I’m not sure if this is where I should ask this kind of problem in my site. But I’m helpless. So, I really need your help,please! I just changed my blog to a new theme and now I thought everything went well except that everytime there is someone comments in my my post and every time I will make a new post and hit submit/post this will pop in the screen.

WordPress database error: [Table ‘yennygir_wrdp1.wp_post2cat’ doesn’t exist]
SELECT YEAR(post_date) AS year, MONTH(post_date) AS month, category_id FROM wp_posts INNER JOIN wp_post2cat ON (wp_posts.ID = wp_post2cat.post_id) WHERE post_date > 0 AND ID = 1652 ORDER By post_date DESC

WordPress database error: [Table ‘yennygir_wrdp1.wp_post2cat’ doesn’t exist]
SELECT DISTINCT YEAR(p.post_date) AS year FROM wp_posts p INNER JOIN wp_post2cat p2c ON (p.ID = p2c.post_id) WHERE p.post_date > 0 ORDER By p.post_date DESC

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 ‘AND p.post_date_gmt < ‘2008-01-23 15:44:18′ ORDER By p.post_date DESC’ at line 6]
SELECT DISTINCT MONTH(p.post_date) AS month FROM wp_posts p INNER JOIN wp_post2cat p2c ON (p.ID = p2c.post_id ) WHERE YEAR(p.post_date) = AND p.post_date_gmt < ‘2008-01-23 15:44:18’ ORDER By p.post_date DESC

Warning: Invalid argument supplied for foreach() in /home/yennygir/public_html/wp-content/plugins/af-extended-live-archive-include.php on line 292

WordPress database error: [Table ‘yennygir_wrdp1.wp_categories’ doesn’t exist]
SELECT cat_ID, cat_name, category_nicename, category_parent FROM wp_categories c WHERE c.cat_ID > 0 ORDER BY c.cat_ID asc

WordPress database error: [Table ‘yennygir_wrdp1.wp_categories’ doesn’t exist]
SELECT c.cat_ID, COUNT(distinct p2c.post_id) AS cat_count FROM wp_categories c INNER JOIN wp_post2cat p2c ON (c.cat_ID = p2c.category_id) INNER JOIN wp_posts p ON (p.ID = p2c.post_id) WHERE p.post_status = ‘publish’ AND p.post_date_gmt < ‘2008-01-23 15:44:18’ GROUP BY p2c.category_id

Warning: Invalid argument supplied for foreach() in /home/yennygir/public_html/wp-content/plugins/af-extended-live-archive-include.php on line 459

Warning: Cannot modify header information – headers already sent by (output started at /home/yennygir/public_html/wp-includes/wp-db.php:160) in /home/yennygir/public_html/wp-includes/pluggable.php on line 391

Here’s my blog add:

https://yennygirl.com/

Can you please help me? I dn’t have any idea where to look the problem.

Thanks!