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 ('63b20a44e51b0636e2c65664f868027f', -1, 1714375773, 1714375773, '038f1180', 5, 0)

Line : 158
File : sessions.php