There is no problem if you forget the password of crypto currency wallet but if you forget Seedphase (12/24 words), Numeric Key, private keys, etc. then definitely it will never be possible to recover that wallet. Password is only used to login to the device but if you uninstall access to your wallet from that device then for re-installation you must install the wallet with Seedphase, Numerical Key, private keys etc. In that case the password is not so important for you. So, there is no problem if you forget the password, but you must write down the above security measures in the notebook so that they cannot be lost or even if they are forgotten, they can be recovered.