phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('fe31b80963fd1e8304ec852ba580dc3a', -1, 1752454760, 1752454760, 'd849d892', -1, 0)

Line : 158
File : sessions.php