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Unfortunately you cannot access the secondary profile with your password manager from first profile.
That's the reason why I have changed from using the great local working KeePassDX app to the great online working Bitwarden password vault.
Because after every change of any password I had to export my password database from one place/profile/device to every other place/device/profile.
If I would at some point forget to export/copy/update a password, I could lock out myself forever.