This message occurs if some of the files needed by your current version of QuarkXPress are missing.
➢This problem usually occurs after a minor upgrade to QuarkXPress (for example from version 14.1 to 14.21).
The 4 needed files are usually icudt48.dll and icuin48.dll and icule48.dll and icuuc48.dll.
These should be located in the folder C:\Qpp\Xpp<Q>\ where <Q> has the following values for different versions of QuarkXPress
•Quark 2016 = 12
•Quark 2017 = 13
•Quark 2018 = 14
•Quark 2019 = 15