While following an escort group, using Synchronised Torus OXP (which modifies scanner classes), upon toggling synchronised torus on and off several times, this happened :
Exception: Error: entity.scanClass cannot be set to that value.
Active script: variablemasslock 1.1
variablemasslock.js, line 94:
t.scanClass = r[1];
Note I am also using Tracker OXP and had previously set the escort group leader as a tracking target. The above error was repeating every second until I primed the Tracker equipment and activated it again, removing tracking from the escort group leader. After that, the error stopped. And the $VMRocks became this: