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 ('03eafcc3847f130d5a31250ef1ed4fe0', -1, 1730755833, 1730755833, '0381c3d1', -1, 0, 0)

Line : 195
File : sessions.php