I've a list named APE - Opções with this values:

Título            | Nota
Nunca             | 1
Algumas vezes     | 2
Frequente         | 3
Sempre            | 4
N/A               | 0

Colunm Nota from APE - Opções

And a list called Avaliação de Experiência where I use the list APO - Opções on colunm Comunicação of type Lookup.

Colunm Comunicação from list Avaliação de Experiência

In my workflow under list Avaliação de Experiência I've var Nota of type number it should receive the colunm Nota from APE - Opções through field Comunicação:


But I've this error:

RequestorId: aa076974-78c8-8b23-0000-000000000000. Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.InvalidCastException: The value 'Value' cannot be read as type 'Int32'. at Microsoft.Activities. GetDynamicValueProperty`1.CheckedRead(String propertyName, DynamicItem value) at Microsoft.Activities.GetDynamicValueProperty` 1.Execute(CodeActivityContext context) at System.Activities.CodeActivity` 1.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager) at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation) Exception from activity GetDynamicValueProperty ToString DynamicActivity DynamicActivity Assign Calculando Nota Sequence Flowchart Cooperador Avaliado.WorkflowXaml_00e5de9f_8324_4850_92ac_7a2ef8350c40

Sorry, my English is not very good.

  • did you try as a double?
    – Marco
    Jun 15, 2015 at 14:20
  • Hi @Marco I found solution, in one minute I'll post the answer... Thanks.
    – Carlos
    Jun 15, 2015 at 14:24

1 Answer 1


The problem was the relationship on search:

I change this:

Wrong search

For this:

Correct search

Before was searching for the value, I changed to search the ID and it worked.

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