phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a24d57371c62895568bb63f4007b16d5' 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 ('a24d57371c62895568bb63f4007b16d5', -1, 1788664473, 1788664473, 'd849d86d', -9, 0, 0)

Line : 187
File : sessions.php