VSTS Git Fetch Failed with exit code: 128

Question

It looks like a duplicate of this question but my issue is that I am running a hosted version. VSTS GIT Fetch Failed

I enabled system debug and pretty much allowed a

Answer 1

In my case the error was caused by a change in permission settings in Version Control. I went to the gear icon --> project settings --> Version Control. I selected Git repositories on the left and under users i made sure to include 'Project Collection Build Service(project)'