phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5721572d483ce5662e7a95e5b3fb6555', -1, 1717005072, 1717005072, '12dcafbd', -7, 0, 0)

Line : 187
File : sessions.php