phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8b44350e5c7809144e4302cbcb9931f' 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 ('d8b44350e5c7809144e4302cbcb9931f', -1, 1770853098, 1770853098, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php