SHeuerYour box has flat sides and is very symmetric so in feature mode the POP 2’s comparison engine cannot tell the difference between the different sides & thus looses tracking.
You’ll need to use marker mode.
Try with the markers on the table. They may be sufficient.
If not, see these 2 threads:
[Guide] How to Scan Object with Marker Mode
Applying markers
& Watch these videos:
[Tutorials] How to scan objects with Markers?