Could it be that parcluster is the function it can't find, not paraclusters? JAABA uses parcluster, but I don't think it uses something called paraclusters...
If it is not finding parcluster, it sounds like it is a Matlab version problem.
Could you let us know what version of matlab you are using? Please send the output of
ver
People in our lab are using updated versions of JAABA with relatively recent Matlabs (sometime in the past year, not sure of the exact versions). I haven't used JAABA myself recently, on my laptop which has Matlab 2021b, it seems to run
Could you check that you're using the latest version of JAABA from here:
Also, could you check that your matlab path doesn't have extra/old code on it by running
path
at the command line?