I have a similar problem:
Processing chr18:
Error: 'chr18 49470204 N 1 19 18.462 1.0 0 hom 58 13 N . 0' does not exist in current working directory ('/data/xieduo/Immun_genomics/data/Łuksza_2022_Nature/results/5.sequenza').
Execution halted
And this I checked the data of chr18:
zcat /data/xieduo/Immun_genomics/data/Łuksza_2022_Nature/results/5.sequenza/PAAD43M5_bin50.seqz.gz|head -n 1
chromosome position base.ref depth.normal depth.tumor depth.ratio Af Bf zygosity.normal GC.percent good.reads AB.normal AB.tumor tumor.strand
zcat /data/xieduo/Immun_genomics/data/Łuksza_2022_Nature/results/5.sequenza/PAAD43M5_bin50.seqz.gz|grep chr18
chr18 49470204 N 1 19 18.462 1.0 0 hom 58 13 N . 0