Account Entity: Associated Orders not showing up on the View

So, a field called "Order Reference" used to be required field and now that it is not "Required" field anymore, I cannot see the list of existing Orders records Associated to the Accounts on the Associated Orders view. Unles I add existing Orders or create new Orders only then will they be listed in the Associated Orders view. How can I make the already existing Order records automatically appear on the Associated Orders view without having to first2Add" them or create new ones.....

Thanks in Advance!