Glitched Derelict car [ Edited ]

[Goku0124]

Last night I beat udo again, because I beat the game already, so I wanted to play it again. So when I beat him he gave me the Nissan derelict chassis clue and I got off my Xbox. The next day the game glitched and said I had to race him again. So I do, and he gave me the clue again but now that he gave me it 2 times the game is glitching out saying I have 2 Nissan derelicts instead of just the and I can't build it because its glitches.