phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '278e3812d8ab84db6389624863a34faa' 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 ('278e3812d8ab84db6389624863a34faa', -1, 1760580398, 1760580398, 'd849d833', 24, 0, 0)

Line : 187
File : sessions.php