dotnet build failing because project not found - azure-devops

Question

I have a YAML file with tasks to copy & publish files to artifact and download the artifact:
Log for task DownloadPipelineArtifact#2:
Downloading: D:\a\1\s\Service\ProjectName\Repositories.Logging/Repositories.Logging.csproj
Then, I have a task to build. The build fails on this task.
Log for task DotNetCoreCLI#2:
Skipping project "D:\a\1\s\Service\ProjectName\Repositories.Logging\Repositories.Logging.csproj" because it was not found.
Why does it say skipping project because it was not found even though log for DownloadPipelineArtifact#2 shows the same path? What am I missing and how do I fix that?
UPDATE:
I know that there is a difference in the slashes. However, I don't have conrol over updating the slashes:
Tasks to copy, publish, download:
- task: CopyFiles#2
displayName: 'copy service'
inputs:
SourceFolder: 'Service\ProjectName'
contents: '**'
TargetFolder: '$(build.artifactstagingdirectory)'
- task: PublishBuildArtifacts#1
displayName: 'publish artifact'
inputs:
PathtoPublish: '$(build.artifactstagingdirectory)'
ArtifactName: '$(Build.BuildNumber)'
- task: DownloadPipelineArtifact#2
inputs:
artifactName: '$(Build.BuildNumber)'
downloadPath: Service\ProjectName
On updating download task to:
- task: DownloadBuildArtifacts#0
inputs:
artifactName: '$(Build.BuildNumber)'
downloadPath: $(System.DefaultWorkingDirectory)\Service\ProjectName
I see the following log from DownloadBuildArtifacts#0:
Downloaded to D:\a\1\s\Service\ProjectName\20201118.10\Repositories.Logging\Repositories.Logging.csproj
and following log from DotNetCoreCLI#2:
D:\a\1\s\Service\ProjectName\Repositories.Logging\Repositories.Logging.csproj because it was not found
In this case I see the slashes correctly. Is it possible to remove:
20201118.10
from downloadPath so that it becomes:
D:\a\1\s\Service\ProjectName\Repositories.Logging\Repositories.Logging.csproj

Answer 1

Is it possible to remove 20201118.10 from downloadPath.
We could not remove the artifact Name 20201118.10 when we use the task Download build artifacts.
When we check the task Download build artifacts in the classic mode, we could to know the option Artifact name is required:
To resolve this issue, we could add a copy task to copy files to $(System.DefaultWorkingDirectory)\Service\ProjectName folder
- task: CopyFiles#2
displayName: 'Move artifact Name'
inputs:
SourceFolder: '$(System.DefaultWorkingDirectory)\Service\ProjectName\$(Build.BuildNumber)'
TargetFolder: '$(System.DefaultWorkingDirectory)\Service\ProjectName'
Or you could specify the path including the artifact Name 20201118.10 when you build the project:
- task: DotNetCoreCLI#2
displayName: 'dotnet build'
inputs:
projects: '$(System.DefaultWorkingDirectory)\Service\ProjectName\$(Build.BuildNumber)\Repositories.Logging\Repositories.Logging.csproj'