cannot able to change 2lis_03_bf from unserilized v3 update to

Hi

i am unbale to change extractor 2lis_03_bf from unserilized v3 update to Queued delta . when i try to change it gives me error Change of update mode not possible due to open V3 update. when i see in the update overview . i dont find update Requests. is there anything i need to do before changing the extractor .

thankyou