My teens were collecting the "Cultural Interview" opportunities and one was coming up on graduation, so It's off to France they go. Three teens with the CI and another angler without (because I'm testing out my new world and don't have any spawners yet, nor water to put them). The mother of the clan went along because she had over 30,000 happiness points and a wish for 5,000 simoleons worth of relics would give me a Collection Helper. Both children have the Butterfly Bonanza opportunity, but, as I said, no spawners. France is a great place to find butterflies. The father didn't come along because the party was getting too large. Ooops, while choosing who would go and stay, I checked everybody's opportunity box (over moodlet display) but Dad had two opportunities, "Check This" (journalism opportunity - displayed) and "A French Puzzler" (logic - not displayed). He needed to go to France to accomplish this opportunity and make room for a new one. I think I'm going to have a short one person trip as soon as I get home. There won't be any dig-sites, rocks, bugs etc, left. I wonder if I will remember to transfer the Collection Helper to him before he goes.
Followup:
Well, that didn't work, he ended up in China.
Second Followup:
I used 'Task Manager' to quit the program. Since my last save was just as he was pulling out his phone, I was able to restart and send him the France this time. He just got home after a day and a half of collecting rocks and bugs. He gets this message: "Carl Biblio cannot complete the opportunity A French Puzzler because one of the targets in no longer available." Arrrghh!!!!