phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3986fc3a21e2bc07ea9478ce6954cfce' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3986fc3a21e2bc07ea9478ce6954cfce', -1, 1715217599, 1715217599, '03156422', -6, 0, 0)

Line : 187
File : sessions.php