Could not insert search results

DEBUG MODE

SQL Error : 1062 Duplicate entry '737325728' for key 'PRIMARY'

INSERT INTO phpbb_search_results (search_id, session_id, search_time, search_array) VALUES(737325728, 'd971fefc94739115aba209dc574a177d', 1715596398, 'a:7:{s:14:"search_results";s:646:"214836, 214839, 214840, 214850, 214904, 214909, 214948, 214950, 214955, 214956, 214962, 215025, 215029, 215033, 215062, 215071, 215631, 215633, 215636, 215639, 215647, 215648, 215650, 215654, 215658, 215660, 215749, 215837, 215838, 215849, 215853, 215865, 215884, 215888, 215894, 215897, 215905, 215914, 216139, 216198, 216201, 216204, 216206, 216210, 216212, 216219, 216250, 216252, 216631, 216633, 216703, 216706, 217015, 217016, 218423, 218425, 218429, 218440, 218456, 218474, 218979, 218987, 218990, 219011, 219066, 219094, 219114, 219150, 219851, 219853, 219856, 219858, 220685, 220687, 220733, 220735, 220737, 220741, 230427, 230428, 230433";s:17:"total_match_count";i:81;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