Hao Ren recalled the moment, which happened not too long ago—it was right before Zorm reached the critical point, and completely disintegrated.
Nolan, the only NPC in the Dream Arks, her special "soul" code had prevented her from transmitting to Crapple Research Station through the UAV link and there was not enough time to build a new retransmitting protocol in the UAV link. In those seemingly desperate circumstances, the only way Hao Ren could think of was to do everything possible to preserve Nolan's soul. Since Nolan's soul could not be transmitted, they found a place to keep it.
Because compatibility issues occurred only within the UAV link, and Petrachelys's own data processing capability was sufficient to cope with this degree of incompatibility, so Hao Ren's last attempt was possible: he downloaded Nolan to Petrachelys's onboard mainframe.
