Could not insert search results

DEBUG MODE

SQL Error : 1062 Duplicate entry '656377680' for key 'PRIMARY'

INSERT INTO phpbb_search_results (search_id, session_id, search_time, search_array) VALUES(656377680, '4a1374165f91824d9ceb4953f1b0181a', 1714206463, 'a:7:{s:14:"search_results";s:358:"978, 1437, 1438, 3322, 3415, 3885, 3992, 4012, 4021, 4029, 4419, 4478, 4489, 4781, 5302, 5304, 5343, 5348, 5362, 5434, 5438, 5441, 5502, 5577, 5581, 6074, 6084, 6130, 6142, 6240, 6397, 6402, 6810, 6869, 7031, 7034, 7135, 7441, 7459, 7464, 7994, 8003, 8207, 8255, 8299, 8421, 8646, 8931, 9844, 9861, 9863, 9999, 10590, 10599, 12937, 13889, 14918, 14924, 14931";s:17:"total_match_count";i:59;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 : 706
File : search.php