Help to solve code failure issue

[Anick-25J]

Dear Zhu,

I am having issues running the code of Fig. S2.2 from your example in the supplementary material.
Below is my code and the failure message I am receiving.

Can you please help fix the issue?

Many thanks

Best regards,
Anick

~/DEploid$ ./utilities/interpretDEploid.r -vcf data/exampleData/PG0396-C.eg.vcf.gz -plaf data/exampleData/labStrains.eg.PLAF.txt -exclude PG0396-CPotentialOutliers.txt -dEprefix PG0396-C_seed5k5 -o PG0396-C_seed5k5 -ring
[1] "-vcf"
[2] "data/exampleData/PG0396-C.eg.vcf.gz"
[3] "-plaf"
[4] "data/exampleData/labStrains.eg.PLAF.txt"
[5] "-exclude"
[6] "PG0396-CPotentialOutliers.txt"
[7] "-dEprefix"
[8] "PG0396-C_seed5k5"
[9] "-o"
[10] "PG0396-C_seed5k5"
[11] "-ring"
null device
1
[1] "ncol = 0"
[1] "chromName length = 0"
Error in par(mfrow = c(nrow, ncol)) :
invalid value specified for graphical parameter "mfrow"
Calls: fun.interpretDEploid.2 -> par
Execution halted