Problem in Library(fma)

Hi, I successfully install fma but when i use the library fma command this is the error that I get:> install.packages("fma")
trying URL 'https://cran.rstudio.com/bin/macosx/contrib/4.2/fma_2.5.tgz'
Content type 'application/x-gzip' length 488029 bytes (476 KB)

downloaded 476 KB

The downloaded binary packages are in
/var/folders/q5/_r202cp91t52xccy2129w6j00000gn/T//RtmphGWI1z/downloaded_packages

library("fma")
Loading required package: forecast
Error: package or namespace load failed for ‘forecast’ in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
there is no package called ‘fracdiff’
Error: package ‘forecast’ could not be loaded

its all there in the error message.
you cant load fma, because you dont have forecast, which in turn you cant load because you dont have fracdiff

I suggest you try to install fracdiff and work backwards from there.

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