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 ('e263658e87ee1c917810163457a3ab7f', -1, 1737598030, 1737598030, '12e38ceb', 3, 0, 0)

Line : 187
File : sessions.php