Hateling
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When the "superpack" is enabled, there is no reaction to the template located in the Data folder. It is simply ignored. But as soon as you disable it, everything works fine.
*Hateling, you should update the version from 3.27 to 3.716.
The same crash occurs in the updated version. I can update it further and, if needed, provide the crash log for version 3.716. When I downloaded the HOMM 3 HD distribution, I updated it immediately, and the crashes started. Then I installed the previous version, hoping to avoid errors, but it was hopeless.