Microsoft (R) Program Maintenance Utility Version 14.29.30157.0
Copyright (C) Microsoft Corporation.  All rights reserved.

NU3001: No certificates were found that meet all the given criteria. For a list of accepted ways to provide a certificate, visit https://docs.nuget.org/docs/reference/command-line-reference
NMAKE : fatal error U1077: '.\sign.BAT' : return code '0x1'
Stop.