Question

The object cannot be attached because it is already in the object context. An object can only be reattached when it is in an unchanged state.

Answer 1

I have this exception the object cannot be attached because you already in the object context and object can only be the attached when it isn't unchanged States have an entity is called difficulties and other employees between that root 3 is an entity of type work this the exceptions is raised when there is a call to insert tubercle days the employees the problem is that in surgical days I do and object typical day which touches the whole graph source then when I try to catch my items for this updates does not work I tried changing the entity state but nothing else