Issue with Lookup Column allowing Multi Values
In a qListForm, there are lookups that allows multivalues. The values in the lookup field gets populated based on the value selected in another drop down. If you select any value in lookup field and then again go back to change the values in the drop down, after postback, you get an index out of bound error.
This is a defect that will be corrected in a later build of the product. See TF00297467 for reference.