Given DynamicType has an object of invalid type '{0}' corresponding to a collection with type descriptor id '{1}' and name ...

Given DynamicType has an object of invalid type '{0}' corresponding to a collection with type descriptor id '{1}' and name '{2}'. Acceptable types are object[], string[], or arrays of value types. This type descriptor is defined in parameter with name '{3}' on method with name '{4}' of Entity (External Content Type) with name '{5}, {6}'.