phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '18c1988a6652e6fd48d1ea47a7d654bc' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('18c1988a6652e6fd48d1ea47a7d654bc', -1, 1714312847, 1714312847, '12d974b7', -9, 0, 0)

Line : 187
File : sessions.php