R语言读取xlsx文件read.xlsx()报错

library(xlsx)
cars <- read.xlsx(file = "mtcars.xlsx",sheetIndex = 1,header = T)

Error in loadWorkbook(file, password = password) :
java.lang.InstantiationException: org.apache.poi.ss.usermodel.WorkbookFactory
请问这个错误是出于什么原因，有人遇到过么

设置了密码吗?是不是密码错误，或者删除密码试试。