关于R语言问题mutate问题

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请问大家这个怎么解决
报错：
Error in mutate():
ℹ In argument: val2 = cut(...).
Caused by error in cut.default():
! 'breaks' 的值有重复
Backtrace:

  1. total %>% ...
  2. base::cut.default(...)
  3. base::stop("'breaks' are not unique")