unable to connect-SDP

[daye1997]

I installed the SDP powershell, but when I trying to connect to SDP using connect-sdp -server serverIPaddress $mycred, I got this following error: How I can fix it?

\PowerShell\Modules\sdp\1.1.25\Public\Invoke-SDPRestCall.ps1:132
Line |
132 | … $return = (($.ErrorDetails.Message | ConvertFrom-Json).error …
| ~~~~~~~~~~~~~~~~
| Conversion from JSON failed with error: Unexpected character encountered while parsing value: A. Path