Null pointer problem surfaced using lic

This is the full transcript of the lic session:

: lith:0:.../ni/Books; lic
[0]; 7 in

error: in is not a function symbol

[1]; 7 "

error: *input-string*:2:0: reading string literal lio/reader:465 unexpected EOF
[2]; 7 ''
<nil>
[5]; 7 ' '
<nil>
[8]; p

error: unbound variable x
[8]; p

error: unbound variable x
[8]; (setq x 3)
; WARNING setting unbound variable x to 3
3
[9]; p
 1:      7
 2:      7
 3:      7
 4:  quote
 5:      %!v(PANIC=String method: runtime error: invalid memory address or nil pointer dereference)
 6:      7
 7:  quote
 8:      %!v(PANIC=String method: runtime error: invalid memory address or nil pointer dereference)
 9:      3
[9]; 

lingo v0.1c-2-gd57e5c8 20191018:070452 ni@lith go1.13.3 darwin/amd64