phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6c71cadf862ec14e502fee0485359020' 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 ('6c71cadf862ec14e502fee0485359020', -1, 1715000775, 1715000775, '0390a174', 0, 0, 0)

Line : 187
File : sessions.php