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 ('c1b4e86a3c4d5b10ebe9e9f91416d38e', -1, 1714291415, 1714291415, '038d1886', 5, 0)

Line : 158
File : sessions.php