phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd2d8527a59685f16943ad596bd172c7d' 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 ('d2d8527a59685f16943ad596bd172c7d', -1, 1769346361, 1769346361, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php