When using plot(map), the borders of the plot can not have text or a legend on them. Resolved by setting par(mar=rep(0,4)) prior to calling plot.
> library(Racmacs)
> packageVersion("Racmacs")
[1] ‘1.1.38’
>
> set.seed(123)
> dat <- matrix(10*2^round(10*runif(100)), ncol=10)
> set.seed(456)
> map <- make.acmap(dat, verbose=F, options=list(report_progress = F))
> plot(map)
> legend("bottomleft", c("lots", "of", "important", "things"))
> legend("bottomright", c("lots", "of", "important", "things"))
> legend("topleft", c("lots", "of", "important", "things"))
> legend("topright", c("lots", "of", "important", "things"))
> text(0,0, "Cos I wonder where you are")
> text(-5, 5, "Is it me you're looking for?")
> text(-5, 7.2, "Hello")

par(mar=rep(0,4))
plot(map)
legend("bottomleft", c("lots", "of", "important", "things"))
legend("bottomright", c("lots", "of", "important", "things"))
legend("topleft", c("lots", "of", "important", "things"))
legend("topright", c("lots", "of", "important", "things"))
text(0,0, "Cos I wonder where you are")
text(-5, 5, "Is it me you're looking for?")
text(-5, 7.2, "Hello")
