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 ('10b436c9bcf43bde441e6001cb9ccbe0', -1, 1714062687, 1714062687, '038590c5', -1, 0, 0)

Line : 187
File : sessions.php