INFO : 2020-02-24 16:19:46Z - $SourceTag release variable does not exist, tagging source (commit db478569c60a9f7c9dd62db7b58de67feba90d0e) in https://github.com/Inedo/upack.git
INFO : 2020-02-24 16:19:49Z - Tag 'https://github.com/Inedo/upack.git' as 'upack-2.3.1.5'...
INFO : 2020-02-24 16:19:52Z - Tag complete.
INFO : 2020-02-24 16:19:52Z - Variable set.
INFO : 2020-02-24 16:19:52Z - Deploying upack artifact as zip file to working directory...
INFO : 2020-02-24 16:19:52Z - Artifact deployed.
INFO : 2020-02-24 16:19:56Z - Transferring C:\ProgramData\BuildMaster\Temp\Service\_E24065\upack.zip to downloads/proget/upack.zip (320 KB)...
INFO : 2020-02-24 16:19:57Z - Renaming C:\ProgramData\BuildMaster\Temp\Service\_E24065\upack.zip to C:\ProgramData\BuildMaster\Temp\Service\_E24065\upack2.3.1.zip...
INFO : 2020-02-24 16:19:57Z - File renamed.
INFO : 2020-02-24 16:19:57Z - Transferring C:\ProgramData\BuildMaster\Temp\Service\_E24065\upack2.3.1.zip to downloads/proget/upack2.3.1.zip (320 KB)...
ERROR: 2020-02-24 16:19:58Z - Could not resolve variable $CreateGitHubRelease.