想用vertical转置画出平行趋势检验的图，出现了vertical is a class的报错，还有command unrecognized的情况，能解答一下吗，刚接触stata不久实在搞不懂

Question

coefplot, baselevels. .
keep(pre_* current post_*). .
vertical
vertical is a classr(4002);.
yline(0,lcolor(edkblue*0.8))
command yline is unrecognized
r(199);.
.xline(3,lwidth(vthin)lpattern(dash)lcolor(teal))
command xline is unrecognizedr(199);.
ylabel(,labsize(*0.75))xlable(,labsize(*0.75))
command ylabel is unrecognized
r(199);. .
ytitle("政策动态效应",size(small))
command ytitle is unrecognized
r(199);. .
xtitle("政策时点",size(small))
command xtitle is unrecognized
r(199);. .
addplot(line@b@at)''
found where ':' expected
r(198);.
. ciopts(lpattern(dash) recast(rcap) msize(medium))
command ciopts is unrecognizedr(199);.
. msymbol(circle_hollow)
command msymbol is unrecognized
r(199);.
. scheme(slmono)
scheme is a class
r(4002);.