Offline Media - Media Won't Relink

I recently have been commissioned to color correct a video project. The video project was not shot or edited by me so the project was shared with me so I could color correct it. When I open the shared project all of the video clips are Offline, which, from reading other people's questions, seems to be relatively common, however, I am also not able to relink any of the video clips. I'm unsure if this is because the video clips are not my own? I was given what I thought to be the raw video footage that was used in the video, however, all of the Offline video clips are not any of the raw footage I was given.

I was curious as to whether this was a problem that I can fix or if I am missing crucial pieces of the project that I was not given.

Any insight or suggestions would be greatly appreciated!