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 ('f64c6c00fc4e75d222d3e3a00f5015ff', -1, 1714607877, 1714607877, '038d1bf4', 19, 0)

Line : 158
File : sessions.php