Super admin lockout

Super admin lockout

I realized that when a superadmin changes its password policy (or email address), it looses its super admin role.
Unfortunately if it is the only super admin and superadmin creation is disabled, then there will be no super admin in the system, and noone can create anymore.
The only solution is to have superadmin again is to restore a backup.
Is it a normal operation?
Is there any way to set superadmin in this case?
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