Cannot create reboot volume???

Got a new Mac and giving old Mac to sister. Erased HD and trying to reinstall High Sierra. After 25 minutes of downloading, I get the following message--"Could not create a reboot volume for APFS install." What now?

iMac 21.5", macOS 10.13

Posted on Jun 30, 2019 6:34 PM

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Cannot create reboot volume???

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