Lattice Diamond 1171236 ERROR - Clock frequency cannot be 0.

mistake:

1171236	ERROR - Clock frequency cannot be 0. Please set Default Clock Frequency in thermal analysis of Strategy.
ERROR -时钟频率不能为0。请在策略热分析中设置默认时钟频率。

solve

Project→Active Strategy→Thermal Analysis Settings
Change the Value to the clock value you need.

Notice:

When allocating clock pins, they should be allocated on these dedicated clock pins.
If a non-clock dedicated pin is not noticed in the design, Diamond will report an error during layout and routing