You cannot save built-in admin user account without adding email address
说明
If an admin user is updated without an email address (as was not previously required), if we try to then edit the admin user (i.e. change the password), it is not possible to save the user unless an email address is added.
原因
ESMP-2581 You cannot save built-in admin user account without adding email address
解决办法
This issue is expected to be resolved in a future release of the K1000 product.