Error: Can't continue timing simulation because delay annotation information for design is missing

Error: Can't continue timing simulation because delay annotation information for design is missing

原因如下：

CAUSE: You attempted to simulate a design whose netlist has not been annotated with delay

annotation information by the Timing Analyzer or Fitter. As a result, the Simulator cannot

continue the current timing simulation.

即要对工程进行时序仿真时未编译工程，导致报错

解决办法
ACTION: Successfully run the Timing Analyzer or Fitter before running timing simulation.　
即时序仿真之前先编译工程