Connecting proxy media for teams project

I'm working on a documentary that has 22tb of footage. I've been editing on a g-speed shuttle, but am now bringing on other editors to help. My goal is to store footage in the cloud so I don't have to send editors new footage everytime we have a shoot. What I've done so far:

1. Proxied all footage - over 1,200 files... sheesh (I changed settings to do this automatically from import now)

2. Loaded all the proxy files to google drive (also automated this for the future)

3. Downloaded google drive for desktop so I could media map to the proxies

4. Converted the project to a teams project.

After doing the following steps I tried connecting a computer. I performed the media mapping steps and 90% of footage is still showing a question mark. I'm also getting this error message, "File importer detected an inconcistency in the file structure of.... reading and writing this file's metadata has been disabled." I thought maybe it was an internet connection, but I'm having the same problem when I try mapping to an external hard drive that has all the proxy files. The only way I can get media to connect is by selecting an individual media clip in the project panel... making it offline and then relinkinking media. I obviously can't do this one by one for 1,200 media files. Hoping someone has a resolve for this!