I have the same issue. It appears to me to be a glitch in the Turbotax program. They take capital gains from the federal form and somehow assume they are related to Oklahoma. Go to the form 561 NR and delete it. The program will show an error but you still should be able to print your Oklahoma tax forms and mail them in. Probably a waste of money to get the Oklahoma State from Turbotax if you are a non-resident of Oklahoma.
