phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd21ac1cc1dfd90f2be47eb4f4ef58dde' 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 ('d21ac1cc1dfd90f2be47eb4f4ef58dde', -1, 1765669608, 1765669608, 'd849d868', 1, 0, 0)

Line : 187
File : sessions.php