Could not insert search results

DEBUG MODE

SQL Error : 1062 Duplicate entry '210094790' for key 'PRIMARY'

INSERT INTO phpbb_search_results (search_id, session_id, search_time, search_array) VALUES(210094790, 'e5947a271d8e8daa63e302b592253881', 1766300535, 'a:7:{s:14:"search_results";s:862:"625791, 625794, 625879, 625880, 626684, 626686, 626698, 626700, 629374, 630035, 630036, 630038, 631565, 631589, 631593, 631616, 631619, 631644, 631802, 637901, 637906, 637955, 638022, 638046, 638156, 638241, 638243, 638245, 638246, 638275, 638276, 638277, 638313, 638314, 638315, 638317, 638321, 638324, 638420, 638421, 638426, 638599, 638692, 638694, 638708, 638900, 638901, 638952, 639046, 639075, 639206, 639279, 639440, 639691, 639715, 639879, 639880, 640047, 640486, 640615, 642371, 643511, 644017, 646354, 649607, 649609, 649611, 649615, 651470, 651514, 651516, 652034, 652438, 652482, 652816, 652822, 652823, 654589, 655533, 659323, 659324, 660670, 660673, 660674, 660690, 661013, 661357, 661590, 662968, 663629, 663630, 663633, 663634, 663859, 664046, 664047, 664132, 664306, 664342, 666546, 666547, 666548, 670629, 681685, 682234, 685431, 685432, 687097";s:17:"total_match_count";i:108;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 : 781
File : search.php