phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '521b463217a8b0d3163673b5db2a6113' 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 ('521b463217a8b0d3163673b5db2a6113', -1, 1713585251, 1713585251, '03163df6', -4, 0, 0)

Line : 187
File : sessions.php