Could not insert search results

DEBUG MODE

SQL Error : 1062 Duplicate entry '134013637' for key 'PRIMARY'

INSERT INTO phpbb_search_results (search_id, session_id, search_array) VALUES(134013637, 'b2c1ad8ae9b05fcdbc2505f6e2c14b6f', 'a:7:{s:14:"search_results";s:79:"4433, 4729, 5493, 10999, 11000, 11002, 11343, 11495, 12301, 12302, 12306, 17313";s:17:"total_match_count";i:12;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 : 700
File : search.php