As someone has suggested, it is probably a part used in manufacturing process. The original part doesn't have it, and it seems to be cut off. And that is exactly what I did, and everything works. There is nowhere to attach it anyway so instead of folding it and trying to fit it in, you might as well just cut it off.
Media vez obtengan, podras ver un gráfico de la reputación que han obtenido con el tiempo.
Aquí está una vista previa de cómo lucirá el gráfico:
Aún no has no adquirido reputación.