提示如下：
& I1 a& x8 z3 x; I/ E8 jStarted process "Create Schematic Symbol"., r# K+ P1 \( R: b' v' c
Compiling vhdl file f:/tmp/asyfifo/asyfifo_design/parameter.vhd in Library work.
# }1 v- _* ~8 pCompiling vhdl file f:/tmp/asyfifo/asyfifo_design/gray_count.vhd in Library
2 i. b" K6 A1 ~* `/ ~work.
# B( l: A5 T% b6 O; b# b8 b% C7 x4 uEntity <gray_count> (Architecture <beh> compiled.
7 o6 E  {" q# F! L$ H& V2 L* F0 wFATAL_ERROR:HDLParsers:vhptype.c:172:$Id: vhptype.c,v 1.6 2001/10/12 21:32:281 u5 }3 D+ t, Y, L
   weilin Exp $:200 - INTERNAL ERROR... while parsing5 [. r" `# ~, ^4 z( T8 `4 Y
   f:/tmp/asyfifo/asyfifo_design/gray_count.vhd line 76. Contact your hot line.
0 x8 T" X# j7 _0 K1 R5 _9 J5 W* J. P' \    Process will terminate.  To resolve this error, please consult the Answers3 n' m$ i& @8 V- K, {
   Database and other online resources at http://support.xilinx.com. If you need  r* [5 }2 r7 N$ j% R
   further assistance, please open a Webcase by clicking on the "WebCase" link
  l8 }, |; M( i  s   at http://support.xilinx.com
  {6 Y! j4 H) x" `" BERROR: vhdtdtfi failed6 J! }( X6 S! u; f% f' k3 g7 o

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internal error？头晕. {  q+ x6 Z; Z: j; `- @
多半需要重装ISE