I think it's not a bug just an error in modellisation of the part 2730, the first round thing of the part it's cuted
Just look it 😃
LEGO, the LEGO logo, the Minifigure, and the Brick and Knob configurations are trademarks of the LEGO Group of Companies. ©2024 The LEGO Group.
Mecabricks, the Mecabricks logo and all content not covered by The LEGO Group's copyright is, unless otherwise stated, ©2011-2024 Mecabricks.