Getstring error Of index out of range

[vivi1zhu]

when read a xls with rgb in row.GetCol(i)
i=0 is ok but when i>0 is error
when I change the xls resave., is all ok

panic: runtime error: index out of range

goroutine 1 [running]:
github.com/shakinm/xlsReader/xls/record.(*LabelSSt).GetString(0xc0000045a0, 0xc000108100, 0x5)
d:/go/SOURCE/pkg/mod/github.com/shakinm/xls!reader@v0.9.1/xls/record/labelSst.go:46 +0x75
main.xlsread(0x4f9e86, 0x19, 0x4b6f3f, 0xc000081f88, 0xc00001a0b8)
d:/go/source/src/git.intra/vivi_zhu/mail/dataelk/xlst1/main.go:57 +0xadc

[shakinm]

Hello! I can see this error in the coming days. If you can provide the source file, this will help speed up the resolution of the problem. My email can be seen in the profile.