App2App call error

Get-SafeguardAssetAccount : Cannot bind argument to parameter 'Account' because it is null.
At C:\Users\CHRIS.RILEY\Documents\Safeguard\a2acall_TrstAPI.ps1:8 char:13
+ $myacctinfo=Get-SafeguardAssetAccount -AssetToGet $mysystem -AccountT ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidData: (:) [Get-SafeguardAssetAccount], ParameterBindingValidationException
+ FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Get-SafeguardAssetAccount

acctid=
apikey= mOUBpHoiq4a+9/u7FA/zsv1Dy9u+VZd7mVxyd7BrDgY=
WARNING: An exception was caught trying to call A2A using a certificate.
WARNING: If you are experiencing a certificate connection failure, your problem may be a quirk on Windows where
WARNING: the low-level HTTPS client requires that the Issuing CA be in your 'Intermediate Certificate Authorities'
WARNING: store, otherwise Windows doesn't think you have a matching certificate to send in the initial client
WARNING: connection. This occurs even if you pass in a PFX file specifying exactly which certificate to use.
Exception calling "GetBytes" with "1" argument(s): "Array cannot be null.
Parameter name: chars"
At C:\Users\CHRIS.RILEY\OneDrive - Harris County\Documents\WindowsPowerShell\Modules\safeguard-ps\7.2.100578\a2acallers.psm1:80 char:13
+ Invoke-RestMethod -CertificateThumbprint $Thumbprint -Met ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ArgumentNullException