phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd6c8365951c46536ef401cb08c40fc8d' 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 ('d6c8365951c46536ef401cb08c40fc8d', -1, 1711707318, 1711707318, '03eec6a7', -10, 0, 0)

Line : 187
File : sessions.php