phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c21fd200865a3d1987634f6b25ec204e' 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 ('c21fd200865a3d1987634f6b25ec204e', -1, 1714214828, 1714214828, '12df6ae8', -10, 0, 0)

Line : 187
File : sessions.php