LastError(int code, String description) {
   super(
       (description == null ? "?" : description)
           + " (error code = "
           + code
           + ")"); // toString(code));
   this.code = code;
   this.description = description;
   if (BridJ.verbose) BridJ.log(Level.INFO, "Last error detected : " + getMessage());
 }
 static {
   BridJ.register();
 }