phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d5943b9e868eecb172323b09f8b51b8' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5d5943b9e868eecb172323b09f8b51b8', -1, 1769666687, 1769666687, 'd849d804', 1, 0, 0)

Line : 187
File : sessions.php