Problem with tagging

Hi there

  • Issue type PUBLISHING ISSUE
  • OS Version/build WINDOWS
  • App version
  • Steps to reproduce START PROJECT PUBLISH

When publish my project to Docker Hub (Visual Studio 2019), I am getting an issue

Error parsing reference: “Renziglov@yahoo.com/renziglov_blazordockerapp:latest” is not a valid repository/tag: invalid reference format

My .csproj has this configuration

net5.0 Windows renziglov_blazordockerapp:dev

What could be a reason for this error?
Thanks.

Sorry, my .csproj config is shown corrupted. Here it is: