To resolve this error, please try the following:
1. Browse to your Aion installation folder. By default, this should be C:\Program Files (x86)\NCsoft\Aion.
2. Delete the L10N folder.
3. Double-click on the Aion shortcut on your Desktop to launch the NCSOFT Game Launcher.
4. Once the file scan is complete, Aion will automatically start (unless disabled in Settings). Close Aion and return to the launcher.
5. Click File Repair and allow the repair process to complete.
Allow the File Check process to complete, and then try the game again.
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