I'm getting this error message with each post today

[survey77777]

Could not insert new word matches

DEBUG MODE

INSERT INTO troublefreepool_search_wordmatch (post_id, word_id, title_match) SELECT 15862, word_id, 0 FROM troublefreepool_search_wordlist WHERE word_text IN ('pool', 'finally', 'perfectly', 'clear', 'whoot', 'onto', 'next', 'step', 'sparkling', 'hmmm', 'cottage', 'couple', 'think', 'needed', 'apart', 'one', 'another', 'developed', 'horrible', 'case', 'water', 'chemistry', 'ocd', 'ill', 'run', 'right', 'numbers', 'since', 'sure', 'first', 'response', 'back', 'ready', 'work', 'thanks')

Line : 251
File : functions_search.php