phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4aad47c1fed4435d58d7f3042ca9765' 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 ('c4aad47c1fed4435d58d7f3042ca9765', -1, 1743093701, 1743093701, '12dee20a', 2, 0, 0)

Line : 187
File : sessions.php