spacing between bars in a histogram in r

Question

I have this problem: when I try to graph a histogram it appears with space between the bars when it shouldn't, here is the graph:

Those zeros shouldn't be there, the variable table I'm plotting is:

This is the code to make the histogram that I am using:

hist(x= ae18$v_histo_acpm,main = "Histogram,labels = TRUE,
 xlab = "No. de cambios al mes", ylab = "Frecuencia")