The most common issues users describe as "cracked" or "broken" relate to the top window bar appearing over overlays or general UI failures that require specific fixes. Addressing Common "Broken" UI Issues

I can tailor a specific solution to get your sim rig securely back on track. RaceLab - Modern Overlays for Simracers

Rough up the surface around the crack using 120-grit sandpaper to help the resin bond.

The cracking of the Racelab top section is a classic case of structural fatigue caused by cantilevered loading on a joint with insufficient triangulation. While the rig may have handled initial loads, the cumulative stress of direct-drive forces has led to material failure. A simple weld is insufficient; reinforcement via gussets or profile replacement is necessary to prevent recurrence.