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 ('14f05a95bdee1c186c05f6dea6d71c49', -1, 1717110770, 1717110770, '12754a67', -7, 0, 0)

Line : 187
File : sessions.php