clock hold

[Altera_Forum]

After timing analyzer,there are so much red words in the clock hold of the report.I don't know why .What should I do ? 

Thanks.

[Altera_Forum]

Let's try to perform Tool > timing optimization advisor tool in Quartus II.  

Above Tool guides you through a series of recommendations for meeting the timing requirements of your design.

[Altera_Forum]

I added a buffer between two points and the errors disappeared http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif  

But also thanks for you.