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 ('d9b8978acbb20038fdb748e8e6a47331', -1, 1718501255, 1718501255, '12761f0b', -2, 0, 0)

Line : 187
File : sessions.php