phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cf166c582b84b64d14d174820d8c777f' 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 ('cf166c582b84b64d14d174820d8c777f', -1, 1714253315, 1714253315, '038ec5d4', -1, 0, 0)

Line : 187
File : sessions.php