Issue detected : On Windows system, Artlantis 6.5 can't open old files and shows an error message.
Cause of the issue : .dll files are missing in an Artlantis program folder.
How to solve it :
1. Reach the folder C:\Program Files\Artlantis Studio 6.5
2. Copy the files :
3. Paste them into the CvtATL5toATL6 folder of Artlantis forlder
4. Relaunch Artlantis and open the old file