I am getting the error message "
Error getting License. License Server Communication Problem:
E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER* on a MAc with OS El Capitan. I want to convert some ACSM files but am receiving this error message.
What to do to be able to convert ACSM files ?
You get the error that fulfilled by another User when the eBook are linked with a other Adobe ID.
Often its happens when you open/download a eBook before you authorize Digital Edition. Then
authorize and can the eBook no longer read.