xilinx ise12.4创建IP核失败

chang75161

ERROR:sim - Failed to generate 'kaifang22'.

Wrote file for project 'kaifang22'.
IP creation failed.
WARNING: the originally identified core 'kaifang22.xco' was not created in E:/hhahahaaaaaa/ipcore_dir. If you changed the name in the customization dialog or the location of the core, you'll need to add that core to your project using Add Source...

这是错误提示，，这是什么意思？怎么解决，，跪求大神解答

菜鸟要飞

你就没把IP核加到你工程里