将excel中的数据保存为DBF运行一直显示操作符或数据类型不匹配

sele 4
go top
do while !eof()
gd_gyh=gyh
sele 1
count to gd_drbnxz30a for je=30 and zt="成功" and gyh=gd_gyh and left(jbsj,7)=jbsj1
count to gd_drbnxz30b for je=30 and zt="成功" and gyh=gd_gyh and left(jbsj,7)=jbsj2
gd_drbnxz30=gd_drbnxz30a+gd_drbnxz30b
count to gd_drbnxz10a for je=10 and zt="成功" and gyh=gd_gyh and left(jbsj,7)=jbsj1
count to gd_drbnxz10b for je=10 and zt="成功" and gyh=gd_gyh and left(jbsj,7)=jbsj2
gd_drbnxz10=gd_drbnxz10a+gd_drbnxz10b
gd_drbnxzhj=gd_drbnxz30+gd_drbnxz10/3
sele 4
repl drbnxz30 with gd_drbnxz30
repl drbnxz10 with gd_drbnxz10
repl drbnxzhj with gd_drbnxzhj
skip
enddo
每次运行到这段代码都提示 怎么解决啊