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, session_admin) VALUES ('9543b6b2b3dbff5552b2d33e64d9e087', -1, 1713490960, 1713490960, '12e2bb18', -2, 0, 0)

Line : 187
File : sessions.php