Error packing android etc2

I DONT MAKE A PACKING ANDROID ETC2 FORMAT
UE 4.17

SORRY FOR MY ENGLISH

UATHelper: Packaging (Android (ETC2)): Program.Main: ERROR: AutomationTool terminated with exception: System.ComponentModel.Win32Exception (0x80004005): El sistema no puede encontrar el archivo especificado

Emm… According to the Log you do. Try to uncheck all of the unwanted platforms under Project Settings->Project->Supported Platforms