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 ('3f6e5bd3aa1eb4241a3b15e668676d9f', -1, 1714076753, 1714076753, '038a7a04', -10, 0)

Line : 158
File : sessions.php