fail to build after update to Rider 2019.3

Hello,

After update to Rider 2019.3 when I try to build, I am getting:

JetBrains.ReSharper.Features.SolBuilderDuo.Model.ProjectState is null
at JetBrains.Diagnostics.Assertion.Fail (System.String message) [0x00006] in <53f16face22f4de8a0678687aa134077>:0
at JetBrains.Diagnostics.Assertion.Fail (System.String message, System.Object arg) [0x00007] in <53f16face22f4de8a0678687aa134077>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Helpers.ProjectsGraphStateCalculator.ProceedMarkBuildIsDisabledCommand (JetBrains.ReSharper.Features.SolBuilderDuo.Model.ProjectsGraph graph, JetBrains.ReSharper.Features.SolBuilderDuo.Model.ProjectsGraphState grapthState, JetBrains.ReSharper.Features.SolBuilderDuo.Model.GraphStateCommands.MarkBuildIsDisabledCommand command) [0x0000c] in <e229668047594633b496188dce3c5588>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Helpers.ProjectsGraphStateCalculator.ChangeState (JetBrains.ReSharper.Features.SolBuilderDuo.Model.ProjectsGraph graph, JetBrains.ReSharper.Features.SolBuilderDuo.Model.ProjectsGraphState grapthState, System.Collections.Generic.IEnumerable`1[T] commands) [0x00097] in <e229668047594633b496188dce3c5588>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Services.SolutionBuilderCommandProcessor.ProceedBeginBuildCommand (JetBrains.ReSharper.Features.SolBuilderDuo.Model.Commands.BeginProcessCommand command) [0x007be] in <e229668047594633b496188dce3c5588>:0
at JetBrains.Util.SwitchUtil.Switch[T] (System.Object o, System.Action`1[T] action) [0x0001b] in <dd1120729b1d4e2fbeb968239cdfd02c>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Services.SolutionBuilderControllerPrototype.ProceedCommand (JetBrains.ReSharper.Features.SolBuilderDuo.Model.Commands.ISolutionBuilderCommand command) [0x00040] in <e229668047594633b496188dce3c5588>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Services.SolutionBuilderControllerPrototype+<>c__DisplayClass49_0.<ProceedCommands>b__1 () [0x00000] in <e229668047594633b496188dce3c5588>:0
at JetBrains.Lifetimes.LifetimeDefinition.TryExecute (System.Action action, System.Boolean wrapExceptions) [0x00025] in <53f16face22f4de8a0678687aa134077>:0
at JetBrains.Lifetimes.Lifetime.TryExecute (System.Action action, System.Boolean wrapExceptions) [0x00006] in <53f16face22f4de8a0678687aa134077>:0
at JetBrains.ReSharper.Features.SolBuilderDuo.Services.SolutionBuilderControllerPrototype.ProceedCommands () [0x000ff] in <e229668047594633b496188dce3c5588>:0

Could you help me? 

Thank you