phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '71731ba957ca3f48873365e8017fc4d2' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('71731ba957ca3f48873365e8017fc4d2', -1, 1714870690, 1714870690, '12dd5521', -8, 0, 0)

Line : 187
File : sessions.php