phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '66cdb1e8227e86718a5a780c1c6966a2' 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 ('66cdb1e8227e86718a5a780c1c6966a2', -1, 1714080454, 1714080454, '12760c65', -7, 0, 0)

Line : 187
File : sessions.php