phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7eaaefb4eb8f9d08ba90ce01441209d5' 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 ('7eaaefb4eb8f9d08ba90ce01441209d5', -1, 1771003303, 1771003303, 'd849d809', -4, 0, 0)

Line : 187
File : sessions.php