phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4808af02726cf0789f52a58e64864b1' 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 ('a4808af02726cf0789f52a58e64864b1', -1, 1714317355, 1714317355, '030e84d6', -9, 0, 0)

Line : 187
File : sessions.php