REPEATMASKER TO MASK THE GENOME# ERROR

[sajjadasaf]

I have run LOREAN with examples without any issue but when i used my own plant genome sequences it shows the following errores.
pleas help. i am using docker version

###RUNNING REPEATMASKER TO MASK THE GENOME###
###STAR MAPPING STARTED AT: 16:52:47 03-08 ###
###BUILD INDEX###
Traceback (most recent call last):
File "/opt/LoReAn/code/lorean.py", line 610, in
main()
File "/opt/LoReAn/code/lorean.py", line 196, in main
args.verbose)
File "/opt/LoReAn/code/mapping.py", line 346, in star
star_build(reference, genome_dir, threads, wd, verbose)
File "/opt/LoReAn/code/mapping.py", line 260, in star_build
genomeChrBinNbits = int(math.log((int(genome_size) / int(filter_count))))
ZeroDivisionError: division by zero