Error trying to add credential on powershell

[Segun]

Please see attached picture, it pops the error message whenver we run "Add-Credential  ip-address -cred CredInfo" and supplying password. 

Please help any useful idea/info. thank you

[Sanaman]

It works for me

You can use this way to save the encrypted password (alternative way)

Powershell Store Encrypted Password for auto login
$credential = Get-Credential
$credential.password |ConvertFrom-SecureString |set-Content C:\Users\<user_name>\encrypted_password.txt
$encrypted = Get-Content C:\Users\<user_name>\encrypted_password.txt | ConvertTo-SecureString
$dom_user = "domain\user_name"
$credential = New-Object System.Management.Automation.PsCredential($dom_user, $encrypted)

Add-NcCredential -Controller <controller> -credential $credential

[Segun]

Thank you Sanaman,

I tried your recommended script and still getting error shown in below attachment.