The type or namespace name 'Formats' does not exist in the namespace 'System' (are you missing an assembly reference?)

The type or namespace name 'Formats' does not exist in the namespace 'System' (are you missing an assembly reference?)

Process completed with exit code 1.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

IsAotCompatible and EnableAotAnalyzer are not supported for the target framework. Consider multi-targeting to a supported framework to enable ahead-of-time compilation analysis, and set IsAotCompatible only for the supported frameworks. For example:

<IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>

IsAotCompatible and EnableAotAnalyzer are not supported for the target framework. Consider multi-targeting to a supported framework to enable ahead-of-time compilation analysis, and set IsAotCompatible only for the supported frameworks. For example:

<IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>

Possible null reference return.

Possible null reference return.

Possible null reference return.

Dereference of a possibly null reference.

Non-nullable property 'Value' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

The 'ModuleInitializer' attribute is only intended to be used in application code or advanced source generator scenarios (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2255)

The 'ModuleInitializer' attribute is only intended to be used in application code or advanced source generator scenarios (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2255)