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 ('38756d736f529f56d13f75252ad99631', -1, 1737624138, 1737624138, '039127b7', -9, 0, 0)

Line : 187
File : sessions.php