Am I doing this wrong? Rigid body joints

Am I doing this wrong? Rigid body joints - > .setParam = instant crash

274 = 2.74

Crash=2.75

Attachments

RBJ2Crash274.blend (458 KB)RBJ2Crash.blend (460 KB)

Ok after further texting, it only crashes if the object the rigid body joint it connected to is a camera