phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '08d79449f55185c74d36ae19ddccc5b4' 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 ('08d79449f55185c74d36ae19ddccc5b4', -1, 1787234761, 1787234761, 'd849d85a', 2, 0, 0)

Line : 187
File : sessions.php