Could not insert search results

DEBUG MODE

SQL Error : 1062 Duplicate entry '1995912266' for key 'PRIMARY'

INSERT INTO xx_search_results (search_id, session_id, search_array) VALUES(1995912266, '1045f8925d40dcb150d3c3c966f3091f', 'a:7:{s:14:"search_results";s:174:"288947, 288954, 288972, 288979, 288983, 289687, 289690, 289696, 289699, 289769, 290364, 290818, 294380, 294437, 295372, 295383, 295536, 295745, 297476, 297486, 300385, 322435";s:17:"total_match_count";i:22;s:12:"split_search";N;s:7:"sort_by";i:0;s:8:"sort_dir";s:4:"DESC";s:12:"show_results";s:5:"posts";s:12:"return_chars";i:200;}')

Line : 703
File : search.php