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 ('26283df44b0ea9dc8a74b0bfbcb2bd8f', -1, 1737555315, 1737555315, '12dbe565', 5, 0, 0)

Line : 187
File : sessions.php