phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d5086983e90743745275c2e0797bd2e4', -1, 1743672517, 1743672517, '038a3dd8', 0, 0)

Line : 158
File : sessions.php