I play strictly solo. I sent my character and my best Argie to Scorched, tamed/raised a bunch of the critters, including a beloved wyvern. I took a bunch of them to an obelisk to upload them back to my Island. Everything was fine, i loaded up the quetzes I had there, had each of my flyers set to follow one in front, with me riding one of the platform quetzes back to base... for some reason, half of the flyers vanished and didn't re-spawn when I flew back along the same path.
When I landed back at the obelisk to see if they went back there, I got off the quetz and called