UG工程图不能更新

雨在滴

请教各位老师,我在打开一张旧的工程图时,发现不能更新,只是这一个图纸(是个装配图)
我把以前的删除掉后重新制作新的工程图,图能能做出来,但是它还是提示不能更新,这是什么原因?谢谢

雨在滴

我用UG半年了,第一次出现这样的问题,是不是装配图里面进行了错误的设置呀?我用的是UG4.0
8 Y5 s0 v+ g8 {' w[img][/img]
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7 Y4 y, N+ u# H2 w# EView Update Report
------------------
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4 N4 U3 e. B) T  View name: TOP@3
' E2 D+ ~, L5 B) \  View type:  Imported view
  Error: Matrix is non orthonormal.

/ Z- g5 A9 K3 @$ G3 S% O  Recommended Actions
# J! T5 U2 G/ w  L: o$ d  -------------------
7 M+ D$ j) `6 }8 ]    o  Choose Ignore to restore the view to the state it was in
       prior to the update.  This is the DEFAULT action.
! A% z7 p4 |- e7 {3 f4 q    o  Choose Suppress to convert the view to manual update.
' N6 b* B6 U* Y% |    o  Choose Delete to delete the view and all associated objects.
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3 v( o7 Y* o, E2 J/ i3 U0 n/ _  Possible Corrective Actions
  ---------------------------
$ G+ b0 G4 V6 l7 C5 P, d: J    o  Set view to manual update
    o  Set view to reference
2 i8 P( z' V3 I( V; ?8 O' @' [    o  Recreate view
8 `- Y, f6 e% ^! v; _0 p    o  Remove view
' ~9 i9 }5 u0 E# l1 ^    o  Suppress view update
5 x8 c) u" g) I8 C9 K9 A- j    o  Validate and fix the model
  R  p5 l2 j$ d" G0 x6 P) ]# q8 A9 d    o  Turn hidden line off
5 R1 |: w6 N+ i% b& w. r1 p    o  Validate layer settings
, C' M1 U; ]) |, l) O+ W% w    o  Unsuppress suppressed solid bodies
, B7 U' K9 x$ U    o  Re-establish section segment associativity in
5 e9 k7 Y- b4 F2 l! ]       Edit Section Line

雨在滴

没人碰到过这样的问题吗?