phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ab608fd1ba50d96b874df53f99cb263c', -1, 1737549725, 1737549725, '12dc2b1b', 8, 0, 0)

Line : 187
File : sessions.php