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

Solution "/home/runner/work/note-shr/note-shr/NoteSHR.sln" has active build configurations for the build project. Either enable SuppressBuildProjectCheck on "Build.Solution" or remove the following entries from the solution file: " - {489D5726-02F2-4592-94EB-51B7DCFDEFA8}.Debug|Any CPU.Build.0 = Debug|Any CPU"

/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/Models/Note.cs(66,46): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler Note.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'. [/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/NoteSHR.Core.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/Models/Board.cs(6,19): warning CS8618: Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/NoteSHR.Core.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/Models/Board.cs(7,23): warning CS8618: Non-nullable property 'Notes' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/NoteSHR.Core.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/Models/Note.cs(6,14): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.Core/NoteSHR.Core.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.File/BoardExporter.cs(12,131): warning CS8625: Cannot convert null literal to non-nullable reference type. [/home/runner/work/note-shr/note-shr/src/NoteSHR.File/NoteSHR.File.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.File/Schemes/NoteScheme.cs(9,19): warning CS8618: Non-nullable property 'HeaderColor' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.File/NoteSHR.File.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.File/Schemes/NoteScheme.cs(10,19): warning CS8618: Non-nullable property 'BackgroundColor' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.File/NoteSHR.File.csproj]

/home/runner/work/note-shr/note-shr/src/NoteSHR.File/Schemes/NoteScheme.cs(11,36): warning CS8618: Non-nullable property 'Nodes' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/home/runner/work/note-shr/note-shr/src/NoteSHR.File/NoteSHR.File.csproj]