phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f15fd99f625f1a78f1fb40e7f9347237' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('f15fd99f625f1a78f1fb40e7f9347237', -1, 1772078531, 1772078531, 'd849d8b4', -9, 0)

Line : 180
File : /www/includes/sessions.php