Warning: before using the keystore, you must create a password for at least one of its key aliases.

I have p12 and jks file with password in my file system and I want to create a keystore alias and trustore alias in Integration server.
So I use it in Security → Keystore.
But after create my keystore aliase I have the message :

Warning: before using the keystore, you must create a password for at least one of its key aliases. Please edit the keystore alias configuration and add one or more valid key alias passwords