phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '88708e1d5be5bc786e103e0b974845db' 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 ('88708e1d5be5bc786e103e0b974845db', -1, 1764692028, 1764692028, 'd849d8b0', 0, 0, 0)

Line : 210
File : sessions.php