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 ('9f158c3a8c0b97dd9f7aa1a9686b5ec7', -1, 1714673977, 1714673977, '0386575f', 7, 0)

Line : 158
File : sessions.php