Unable to cast object of type 'System.Data.Entity.Core.Metadata.Edm.PrimitiveType' to type 'System.Data.Entity.Core.Metadata.Edm.EnumType'

Question

I am using EntityFramework 6.2.0 in my project. I have a query like this:

result.Record = await _dbSet.AsNoTracking().Where(x=> ((ServiceType)x.ServiceType