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 ('59743865a33267cbe7869080466581ed', -1, 1737632771, 1737632771, '12d980ae', 62, 0, 0)

Line : 187
File : sessions.php