In the OneClick GUI Select the SDN Manager model.
Go to the Component Details -> Attributes Tab
Search for the attribute: SDN_ModelingInProgress
Double click on the SDN_ModelingInProgress and change the value to False
Once complete please disable the integration.
Please note: When removing the integration the models added by VNA will be removed. If the above steps are followed some models that were added by the integration may need to be manually destroyed.