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 ('6b2f64e7dc9474eaa2085531f5838f39', -1, 1717221125, 1717221125, '12da050c', -4, 0, 0)

Line : 187
File : sessions.php