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Hello! I am having trouble with a just-purchased ebook. I have the .acsm file, and Adobe Digital Editions is authorized on my computer. When I try to open the ebook, I get the following error message from ADE: "Unable to Download. Error getting license. License Server Communication Problem: E_ADEPT_DOCUMENT_TYPE_UNKNOWN:" I am using ADE version 4.5.11.187606, on an iMac running macOS Monterey, v. 12.3.1. Any help would be appreciated! The book seller was unable to help.
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Hi,
Can you please try to re-download the acsm file again and see if that works?