cannot upload images in media

hello,
i’m not able to upload images to my media, im getting an error ‘ could not insert posts into database’
i have the log file
[12-Jan-2020 16:22:17 UTC] WordPress database error Duplicate entry ‘2000’ for key ‘PRIMARY’ for query INSERT INTO wp_posts (post_author, post_date, post_date_gmt, post_content, post_content_filtered, post_title, post_excerpt, post_status, post_type, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_parent, menu_order, post_mime_type, guid) VALUES (1, ‘2020-01-12 16:22:17’, ‘2020-01-12 16:22:17’, ”, ”, ‘TheTestImage’, ”, ‘inherit’, ‘attachment’, ‘open’, ‘closed’, ”, ‘thetestimage’, ”, ”, ‘2020-01-12 16:22:17’, ‘2020-01-12 16:22:17’, 0, 0, ‘image/png’, ‘https://www.zams.co.in/wp-content/uploads/2020/01/TheTestImage-1.png’) made by media_handle_upload, wp_insert_attachment, wp_insert_post\n”, 807) = 807

please help
please help