Hello friends, I've been trying to properly package my Android project for play store, I have solved many errors but I have not been able to with the latter, thanks for your help

Development Platform & Builds Mobile
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PackagingResults: Error: cmd.exe failed with args /c “C:/NVPACK/apache-ant-1.8.2/bin/ant.bat” release -Djava.source=1.7 -Djava.target=1.7

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UATHelper: Packaging (Android (ETC1)): ERROR: cmd.exe failed with args /c “C:/NVPACK/apache-ant-1.8.2/bin/ant.bat” release -Djava.source=1.7 -Djava.target=1.7
UATHelper: Packaging (Android (ETC1)): (see C:\Users\Andrei\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.21\Log.txt for full exception trace)
PackagingResults: Error: cmd.exe failed with args /c “C:/NVPACK/apache-ant-1.8.2/bin/ant.bat” release -Djava.source=1.7 -Djava.target=1.7
UATHelper: Packaging (Android (ETC1)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Android (ETC1)): BUILD FAILED
PackagingResults: Error: Unknown Error