The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-node@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

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

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

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

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

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

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

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

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

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

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

Non-nullable field 'Namespace' must contain a non-null value when exiting constructor. Consider declaring the field as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable field 'Name' must contain a non-null value when exiting constructor. Consider declaring the field as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property 'Start' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property 'End' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property '_Identifier' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property '_Identifier' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property 'Value' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]

Non-nullable property 'Type' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/concerto-dotnet/concerto-dotnet/AccordProject.Concerto/AccordProject.Concerto.csproj]