Building index failure

[learniup]

[lsx@macaca lobSTR_data]$ python scripts/lobstr_index.py --str lobSTR_region --ref CR_genome_chr_edition.fa --out output_directory
Traceback (most recent call last):
File "scripts/lobstr_index.py", line 216, in
if not DEBUG: GetRefFasta(genome, refkeys, merged_str_file, str_ref_fasta, str_map_file)
File "scripts/lobstr_index.py", line 149, in GetRefFasta
chrom, start, end, annot = line.strip().split("\t")
ValueError: need more than 1 value to unpack
How to address this issue? Do anyone meet this issue? I will appreciate if you help me. thank you!