phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9d2e457ab14be180b01fe4b9839ff446' 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 ('9d2e457ab14be180b01fe4b9839ff446', -1, 1728829654, 1728829654, '2cc05fa1', 0, 0, 0)

Line : 187
File : sessions.php