System.InvalidOperationException: Reverse engineer error:

[ManMog]

Exception thrown when trying to reverse engineer from a mysql 5.7 databaseand targeting EF Core 7.

Output:
System.InvalidOperationException: Reverse engineer error:
System.NullReferenceException: Object reference not set to an instance of an object.
at string Microsoft.EntityFrameworkCore.Scaffolding.Internal.CSharpDbContextGenerator.TransformText()
at string Microsoft.EntityFrameworkCore.Scaffolding.Internal.CSharpModelGenerator.ProcessTemplate(ITextTransformation transformation)
at ScaffoldedModel Microsoft.EntityFrameworkCore.Scaffolding.Internal.CSharpModelGenerator.GenerateModel(IModel model, ModelCodeGenerationOptions options)
at ScaffoldedModel RevEng.Core.ReverseEngineerScaffolder.ScaffoldModel(string connectionString, DatabaseModelFactoryOptions databaseOptions, ModelReverseEngineerOptions modelOptions, ModelCodeGenerationOptions codeOptions, bool removeNullableBoolDefaults, bool dbContextOnly, bool entitiesOnly, bool useSchemaFolders) in C:/Code/Github/EFCorePowerTools/src/GUI/RevEng.Core/ReverseEngineerScaffolder.cs:line 375
at SavedModelFiles RevEng.Core.ReverseEngineerScaffolder.GenerateDbContext(ReverseEngineerCommandOptions options, List schemas, string outputContextDir, string modelNamespace, string contextNamespace, string projectPath, string outputPath) in C:/Code/Github/EFCorePowerTools/src/GUI/RevEng.Core/ReverseEngineerScaffolder.cs:line 103
at ReverseEngineerResult RevEng.Core.ReverseEngineerRunner.GenerateFiles(ReverseEngineerCommandOptions options) in C:/Code/Github/EFCorePowerTools/src/GUI/RevEng.Core/ReverseEngineerRunner.cs:line 88
at async Task EfReveng.Program.Main(string[] args) in C:/Code/Github/EFCorePowerTools/src/GUI/efreveng/Program.cs:line 69

at ReverseEngineerResult EFCorePowerTools.Handlers.ReverseEngineer.ResultDeserializer.BuildResult(string output)
at async Task EFCorePowerTools.Handlers.ReverseEngineer.EfRevEngLauncher.GetOutputAsync()
at async Task EFCorePowerTools.Handlers.ReverseEngineer.EfRevEngLauncher.LaunchExternalRunnerAsync(ReverseEngineerOptions options, CodeGenerationMode codeGenerationMode, Project project)
at async Task EFCorePowerTools.Handlers.ReverseEngineer.ReverseEngineerHandler.GenerateFilesAsync(Project project, ReverseEngineerOptions options, Tuple<bool, string> containsEfCoreReference, bool onlyGenerate)
at async Task EFCorePowerTools.Handlers.ReverseEngineer.ReverseEngineerHandler.ReverseEngineerCodeFirstAsync(Project project, string optionsPath, bool onlyGenerate, bool fromSqlProj)

Steps to reproduce
Simply reverse engineer a database project with EF Core 7 as the target using version 2.5.1277

• EF Core version: EF Core 7

• Is T4 used: yes

• Is Handlebars used: no/yes

• Is .dacpac used: no

• EF Core Power Tools version: 2.5.1277

• Database engine: MySQL

• Visual Studio version: Visual Studio 2022 Versión 17.4.4

[ErikEJ]

duplicate - see dotnet/efcore#29516 - fix will be available in EF Core Power Tools in mid February