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 ('7f6c768fe3403442618d7a51d9fb51f4', -1, 1737483135, 1737483135, '0380ce07', 3, 0, 0)

Line : 187
File : sessions.php