Error while trying to use FPrintMsg or PrintMsg

[Kollabiz]

Error:

panic: runtime error: index out of range [16] with length 16

goroutine 1 [running]:
github.com/lukesampson/figlet/figletlib.(*FigText).copy(0xc0001f17a0)
C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]/figletlib/text.go:40 +0x197
github.com/lukesampson/figlet/figletlib.smushChar(0xc00007f9c8, 0xc0001f17a0, 0x1, {0x4, 0x0, 0x0})

    C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]/figletlib/layout.go:210 +0x87

github.com/lukesampson/figlet/figletlib.addChar(0x3def20, 0x63, {0x63, 0x8, 0x0})

    C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]/figletlib/layout.go:202 +0x7f

github.com/lukesampson/figlet/figletlib.getWord({0x4270d9, 0x8}, 0xc0000221e0, {0x1, 0x0, 0x0})

    C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]/figletlib/layout.go:264 +0x1e5

github.com/lukesampson/figlet/figletlib.getWords({0x4270d9, 0x8}, 0x0, {0x0, 0x0, 0x0})

    C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]/figletlib/layout.go:273 +0x12b

github.com/lukesampson/figlet/figletlib.GetLines({0x4270d9, 0x8}, 0xc0000221e0, 0x32, {0x4261b5, 0x0, 0x0})

    C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]
                                                                           215653-8a3ef4a6ac42/figletlib/layout.go:294 +0xa6

github.com/lukesampson/figlet/figletlib.FPrintMsg({0x48ca00, 0xc000006018}, {0x4
4270d9, 0x58}, 0x58, 0x21fe8130108, {0x478f, 0x24, 0x0}, {0x4263a9, ...})
C:/Users/mrtnb/go/pkg/mod/github.com/lukesampson/[email protected]
215653-8a3ef4a6ac42/figletlib/print.go:42 +0x65
lincore/utils.Slant({0x4270d9, 0x8})
D:/Golang/lincore/utils/font.go:14 +0xd6
main.Greeting()
D:/Golang/lincore/main.go:49 +0x25
main.main()
D:/Golang/lincore/main.go:54 +0x2e