Apologize for the inconvenience this past days.
Been trying to fix the issue where most of the player can't launch the game.
If you one of those players.
Please follow the steps below.
100% sure to fix the game.
1. install the game. (if you haven't)
2. Right click on BAL Solid game in steam library and click browse local file.
3. if the folder inside the "Common/Bal Solid" is named "Bal Solid v103 steam".
Rename those folder to "Bal Solid"
4. Launch the game from steam.
5. it will redownload the 103 folder. but don't worry about that. (This is the issue)
6. Launch the game again from steam.
Thank you