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 ('12f00c5d77cba879c60df04860028126', -1, 1714351078, 1714351078, '038dc8b4', -4, 0)

Line : 158
File : sessions.php