phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8743c0fe061e7d71d6ed52054668bec' 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 ('d8743c0fe061e7d71d6ed52054668bec', -1, 1773272398, 1773272398, 'd849d8d6', 1, 0, 0)

Line : 187
File : sessions.php