Official's Error

[HerbH]

Need help with this one...2 man crew, I am in Trail opposite table; partner in lead table-side. Ball is fumbled and rolls loose from my side beyond 3 pt line and rolls OOB on the baseline, my side. Partner looks for help - I had the call - I signal ball goes to Blue (offensive team) stays in frontcourt. Before I can get in position tableside, partner mistakenly hands ball to White and they make baseball pass length of court and score EZ lay-up. I blow the whistle and advise table to score basket (I'm 99% sure this is right - non-correctable error) We inbound the ball to blue in their front court where the original OOB spot was. Should we have inbounded the ball under Whites basket and allowed them to run the end line, or were we correct?