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 ('b800c0990868b7a1491c226b657e9288', -1, 1713608633, 1713608633, '03857049', -10, 0, 0)

Line : 187
File : sessions.php