Additional error you may see:
##[error]Error: This task is deprecated. Please switch to using NuGetCommand@2's 'restore' or 'custom' option https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/reference/nuget-command-v2
##[error]Packages failed to install
I created my pipline about 10 years ago and basically never touched it, so saying 'v0' pipeline was literally meaningless to me!
For anyone else clueless about what the error message is even talking about - you need to do look for this dropdown and update to the newer version:
