phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd63add205ff0f374b3f0ba6edbbf9668' 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 ('d63add205ff0f374b3f0ba6edbbf9668', -1, 1766065175, 1766065175, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php