Skill.wz storage & image format conversion issues

[Haho9991]

1. "Adventurer" class skill effects cannot be modified (error message: "Incorrect game data version").

2. Images in Skill.wz sometimes fail to save when converted to other image formats (e.g., ARGB8888 > DXT3). The save process has been running for over 20 minutes, but it continues to save.

Example test data: (Screen batch conversion of approximately 50+ images)

3. Image format conversion sometimes fails, and restarting after saving reverts to the original format (currently searching for a way to reproduce this).

[a894985459]

1. I will be spending more time working on the skill format editing feature to ensure compatibility with older versions, but this feature won’t be released just yet.
2. Thank you for reporting this; I will look into the issue in more detail.
3. If you can reproduce the issue in full, please provide a video so that I can investigate the cause.