phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4f71f1a11624807a6d9764475ad53f5' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b4f71f1a11624807a6d9764475ad53f5', -1, 1714874665, 1714874665, 'c0a80201', -2, 0, 0)

Line : 187
File : sessions.php