search for: getbigppp

Hello, I'm working in spatstat and having difficulty with the ppp objects. I can get a ppp object for one set of data, but with the same code applied to a second data set (all I am changing is the field identifier), I get the following error message: Error in switch(w$type, rectangle={: internal error: some total scores are neither 0 nor 1 Any thoughts on what this means and how to correct