throw new SmartFrogCompilationException("unknown value in context during conversion to ComponentDesscription " +
throw new SmartFrogCompilationException("illegal value in context during conversion to ComponentDesscription " +
    protected Object copyValue(Object v) throws SmartFrogCompilationException {        if (v instanceof Number) return v;        if (v instanceof Boolean) return v;        if (v instanceof SFNull) return v;        if (v instanceof String) return v;        if (v instanceof Reference) return v;        if (v instanceof Vector) {             return copyVector((Vector)v);        }        throw new SmartFrogCompilationException("unknown value in context during conversion to ComponentDesscription " +                                                v.toString() + " in component " + sfCompleteName());    }