I have a model of a car, and there are a couple of broken bits. Just these two near each other. But I have no idea where t start looking to fix this distortion. It seems to be just in the rendering, the model shape seems fine, the second picture shows a different angle.
How can I fix this blemish?
EDIT: After some advice from below I was missing around and merged some vertices, and that solved one problem (and it will fix the other too), but now I wonder will that cause issues with anything else? UV's etc?