I'm having problems getting the values from a lookup field and then store in a variable


Set Variable: v_related_requirement_intID to Current Item:Release


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)

Is there any way I could get the index value of the lookup field?


Follow below steps

1.Data Source: instead of Current Item, select the List by name

2.Field: Your look up column

3.Return Field as: Lookup Value

4.Field: ID

5.Value: Current Item:ID


Hope this link will help you. Handling Lookup Columns in a SharePoint Designer Workflow

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