代码：garch.x1 <-garchFit(~garch(1,1),data=ret,trace=F,cond.dist = c("std"))
Warning message:<br>
Using formula(x) is deprecated when x is a character vector of length > 1.<br>
  Consider formula(paste(x, collapse = " ")) instead.<br>
请问一下各位大神，这个报错是什么意思呀，我应该怎么解决呢？谢谢谢谢了！！！<br>