Unable to cast COM object of type 'CERTENROLLLib.CX509PrivateKeyClass'

[F3eev]

env:
CS : server 2012
Client : server 2012

When I apply for a template, the following error occurs.

error description:

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v1.1.0

[*] Action: Request a Certificates

[] Current user context : TEST\wangqiang
[] No subject name specified, using current context as subject.

[] Template : ESC1
[] Subject : CN=Wang Qiang, OU=company, DC=test, DC=com
[*] AltName : cadmin

[!] Unhandled Certify exception:

System.InvalidCastException: Unable to cast COM object of type 'CERTENROLLLib.CX509PrivateKeyClass' to interface type 'CERTENROLLLib.IX509PrivateKey2'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{728AB362-217D-11DA-B2A4-000E7BBB2B09}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).
at System.StubHelpers.StubHelpers.GetCOMIPFromRCW(Object objSrc, IntPtr pCPCMD, IntPtr& ppTarget, Boolean& pfNeedsRelease)
at CERTENROLLLib.CX509PrivateKeyClass.set_Length(Int32 pValue)
at Certify.Cert.CreatePrivateKey(Boolean machineContext)
at Certify.Cert.CreateCertRequestMessage(String templateName, Boolean machineContext, String subjectName, String altName, String sidExtension)
at Certify.Cert.RequestCert(String CA, Boolean machineContext, String templateName, String subject, String altName, String sidExtension, Boolean install)
at Certify.Commands.Request.Execute(Dictionary2 arguments) at Certify.CommandCollection.ExecuteCommand(String commandName, Dictionary2 arguments)
at Certify.Program.MainExecute(String commandName, Dictionary`2 parsedArgs)

Certify completed in 00:00:00.2333173