rHow do I resolve 39Error in opt

r - How do I resolve 'Error in optim: non-finite finite-difference value [1]' in this example? - Stack Overflow
Running the MWE...library(SuppDists)library(stats4)mle(function(x) -log(dPearson(x, N=21, rho=0.999))
rHow do I resolve 39Error in optim nonfinite finitedifference value 139 in this exampleStack Overflow
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