SignTool Error: This file format cannot be signed because it is not recognized.

Hi Team,

When I am trying to upload a .xlsm file i am getting  below error from jenkins

SignTool Error: This file format cannot be signed because it is not recognized.

SignTool Error: An error occurred while attempting to sign:

C:\Users\Administrator\jenkins\bin\workspace\MacroCodeSigning>Regsvr32.exe msosip.dll /s 

C:\Users\Administrator\jenkins\bin\workspace\MacroCodeSigning>Regsvr32.exe msosipx.dll /s 

C:\Users\Administrator\jenkins\bin\workspace\MacroCodeSigning>signtool.exe sign /t http://timestamp.digicert.com/ /f ".\MacroSigning.pfx" /p **** /fd "SHA1" "REQ0009784.xlsm" 
Done Adding Additional Store
Error information: "Error: SignerSign() failed." (-2147220706/0x8004031e)
SignTool Error: An unexpected internal error has occurred.

infra:

windows ami

can someone kindly help me if you know on this issue.

Thanks