Link sales orders to contracts in bulk for Data Migration

Hello Experts,

I person query regarding information migration. Actually, during Sales bid migration, we are not capable to nexus the income bid declaration fig successful the income order. There is nary tract for the declaration successful the template of the merchantability order. We person uploaded the Sales bid via migration cockpit. In bid to, nexus the Contract fig successful the Sales Order we person planned to usage LSMW but unluckily it is not moving properly. 

It volition beryllium precise hard to bash this enactment manually from VA02 since the measurement is high. 

So, can we adhd the income declaration of a income bid successful bulk?

Thank you.