I am assuming you did select the CE Main Memory when you synchronized Mobile. Follow these steps after opening StockMate and after getting the error and tapping OK.
1. Tap on the File Menu in lower left hand corner and select Change Species. 2. In the top box tap on the small square. Highlight the option called StkMData and OK. 3. The project name will display. Highlight in Project box. 4. Select desired Species Name in the Species box and OK at bottom of screen. 5. To confirm your animals are there, tap on the History menu and select Animal Info. 6. The group or Animal ID numbers should display. Tap Cancel to close that screen.