Getting exception - System.AggregateException

In first iteration its working fine but for second one its showing an error.
Can someone please help me to sort it out

May I know what values are obtained from he column Symbols
Cheers @vaibhav2.chavan

Symbols
VMW
GOOG
IBM
CTSH
SHLDQ

Symbols
VMW
GOOG
IBM
CTSH
SHLDQ

I hope these value won’t be an issue
Fine kindly delete this activity and reselect once the same field by adding a new TYPE INTO activity
Also enable the simulate type property in the property panel of type into activity

Kindly try this and let know for any queries or clarification
Cheers @vaibhav2.chavan