Message from CubeIDE: "missing natures" what does it mean?

[HLJ]

when i import an example from FW package, i got this message.

i have no idea what "nature" is, how could i solve this error?

thanks for your support !

[HLJ]

and if i don't solve this problem, it won't allow me to build the project.

[STTwo-32]

Hello @HLJ and welcome to the ST Community 😊.

I suggest you to:

• Ensure that you are using the last version of STM32CubeMX (V6.12.0) STM32CubeIDE (V 1.16.0).
• Select the example that you are going to use throw CubeMX and open it on CubeIDE. 

This methode should work fine.

Best Regards.

STTwo-32