更改原理图后,进行正标,提示错误:there are errors .see logfile.BackAnnotation.txt.logfile中提示如下:presumably,this design has never been forword annotated in the ICDB environment.BackAnnotation can not proceed。) T+ _! s9 S+ W
请问一下,这是什么原因,应该怎么解决呢?谢谢! 7 s2 ]: Q, ~4 L$ M' `% Y. u+ p