我的cad有问题了，参数类型错误: streamp nil,怎么解决

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(defun c:() (y02))
(defun c:() (y03))
(defun c:() (y04))
(defun c:() (y05))
(defun c:() (y06))
(defun c:() (y07))
(defun c:() (y08))
(defun c:() (y09))
(defun c:() (y10))
(defun c:() (y11))
(defun c:() (y12))
(defun c:() (y13))
(defun c:() (y14))
(defun c:() (y15))
(defun c:() (y16))
(defun c:() (y17))
(defun c:ff() (y18))
(defun c:() (y19))
(defun c:() (y20))
(defun c:() (y21))
(defun c:() (y22))
(defun c:() (y23))
(defun c:() (y24))
(defun c:() (y25))
(defun c:() (y26))
(defun c:() (y27))
(defun c:() (y28))
(defun c:() (y29))
(defun c:() (y30))
(defun c:() (y31))
(defun c:() (y32))
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(defun c:() (y34))
(defun c:() (y35))
(defun c:() (y36))
(defun c:() (y37))
(defun c:() (y38))
(defun c:() (y39))
(defun c:() (y40))
(defun c:() (yt01))
(defun c:() (yt02))
(defun c:() (yt03))
(defun c:() (yt04))
(defun c:() (yt05))
(defun c:() (yt06))
(defun c:() (yt07))
(defun c:() (yt08))
(defun c:() (ytj01))
(defun c:() (ytj02))
(defun c:() (ytj03))
(defun c:() (ytj04))
(defun c:() (ytj05))
(defun c:dd() (yd01))
(defun c:() (yd02))
(defun c:() (yd03))
(defun c:() (yd04))
(defun c:() (yd05))
(defun c:() (yd06))
(defun c:() (yd07))
(defun c:() (y41))
(defun c:() (y44))
(defun c:() (y45))
(defun c:() (y46))
(defun c:() (y47))
(defun c:() (y42))
(defun c:() (y43))
(defun c:() (y48))
(defun c:() (y49))
(defun c:() (yl01))
(defun c:() (yl02))
(defun c:() (yl03))
(defun c:tt() (yl04))
(defun c:() (yl05))
(defun c:() (yl06))
(defun c:qw() (yl07))
(defun c:rr() (yl08))
(defun c:gg() (yl09))
(defun c:() (yl10))
(defun c:() (yl11))
; 错误: 参数类型错误: streamp nil




一些工具箱不能加载
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