phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dd2f51d47fe07e3382e4824942ed23c8' 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 ('dd2f51d47fe07e3382e4824942ed23c8', -1, 1765570200, 1765570200, 'd849d89d', -9, 0, 0)

Line : 187
File : sessions.php