PD16在生成SQL时报错Generation aborted due to errors detected during the verification of the model

1.用PowerDesigner16建模，在Database—>Generate Database （或者用Ctrl+G快捷键）来生产sql语句，却提示“Generation aborted due to errors detected during the verification of the model.”的错误，截图如下：

2.解决方案------把检查模型的选项（Check Model）前的那个勾去掉即可，如图：