I want to use an old keystore

[Boban (Boban Stojmenovic)]

@Boban

What is the name of the keystore?

Keystore something's not right

Yes, the name of the keystore has to be android.keystore and the default value for it must be, see below

@CHAINE_2MEGA

or any way I can change the value of the kodular keystore to my old keystore

This will never going to be possible.