Platinum Bars disappearing on Rapid Acquisition?

At first mission played normaly than when we were at 23/30 bars we couldn't find any more.

We restarted a mission and than we ended at 22/30 bars.

Few days ago I posted about a bug that causes the bars to not count if some players load them but I'm not sure if that's what happend here. In both attempts there were almost constantly enemies on some bars we threw closer. I don't think we were able to get them all.