// reject this entity if more than one key was set!
if (this.itemkeys>0 && (this.itemkeys & (this.itemkeys-1)) != 0) {
objerror(this, "item_key.itemkeys must contain only 1 bit set specifying the key it represents!");
// reject this entity if more than one key was set!
if (this.itemkeys>0 && (this.itemkeys & (this.itemkeys-1)) != 0) {
objerror(this, "item_key.itemkeys must contain only 1 bit set specifying the key it represents!");