Error when picking colour in Conditional Formatting

There is an error when trying to add/choose (no option really) colour in Conditional Formatting in HTML Architect

error:


System.Exception: Type Color of property BackgroundColor cannot be parsed.

   at Origam.Architect.Server.ArchitectLogic.PropertyParser.Parse(PropertyInfo property, String value, Object instance) in D:\a\1\s\backend\Origam.Architect.Server\ArchitectLogic\PropertyParser.cs:line 159

   at Origam.Architect.Server.Services.TabService.ChangesToTabData(ChangesModel input) in D:\a\1\s\backend\Origam.Architect.Server\Services\TabService.cs:line 310

   at Origam.Architect.Server.Controllers.PropertyEditorController.Update(ChangesModel changes) in D:\a\1\s\backend\Origam.Architect.Server\Controllers\PropertyEditorController.cs:line 38

   at lambda_method48(Closure, Object, Object[])

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeActionMethodAsync()

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeNextActionFilterAsync()

--- End of stack trace from previous location ---

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()

--- End of stack trace from previous location ---

   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)

   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)

   at Origam.Architect.Server.ServerIdentityMiddleware.InvokeAsync(HttpContext context) in D:\a\1\s\backend\Origam.Architect.Server\ServerIdentityMiddleware.cs:line 29

   at Origam.Architect.Server.OrigamErrorHandlingMiddleware.InvokeAsync(HttpContext context) in D:\a\1\s\backend\Origam.Architect.Server\OrigamErrorHandlingMiddleware.cs:line 50