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 ('22042848269f7068f746752c542d9791', -1, 1714397468, 1714397468, '1274efc3', 7, 0)

Line : 158
File : sessions.php