phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b21afca0a5ecac7a835c3dbbbdab221a' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b21afca0a5ecac7a835c3dbbbdab221a', -1, 1757468450, 1757468450, 'd849d800', -4, 0, 0)

Line : 187
File : sessions.php