用EF6更新数据库时出现外键错误解决方式

Introducing FOREIGN KEY constraint ‘FK_dbo.Processes_dbo.Models_ModelId‘ on table ‘Processes‘ may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints.
Could not create constraint. See previous errors.

 1 public class Process : FullAuditedEntity<Guid>, IMustHaveTenant
 2     {
 3         public virtual string Name { get; set; }
 4          [ForeignKey("ModelId")]
 5         public virtual Model Model { get; set; }
 6          public virtual Guid ModelId { get; set; }
 7         public virtual Dictionary<string, ProcessVariable> Variables { get; set; }
 8  
 9         public virtual Guid ParentPid { get; set; }
10  
11         public virtual Guid ParentNid { get; set; }
12  
13         [ForeignKey("OwnerId")]
14         public virtual User Owner { get; set; }
15         public virtual long? OwnerId { get; set; }
16 }