phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3a7f9d0569797c31433c657fb76f7dce' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3a7f9d0569797c31433c657fb76f7dce', -1, 1763027500, 1763027500, 'd849d8b8', -9, 0, 0)

Line : 187
File : sessions.php