The error is straightforward: the game is trying to play a sound effect called Decision3 (usually a "cursor select" sound) inside the Audio/SE folder, but it cannot locate the file.
In the vast majority of cases, the file isn't actually missing. Instead, the game is looking for the file on your hard drive but cannot see it because of a communication error between the game engine and your operating system. Unable To Find File Audio Se Decision 3
Some professional audio engines lock to a specific sample rate (e.g., 48 kHz). If your audio file is 44.1 kHz and the project is 96 kHz, the engine may attempt three different resampling algorithms. If all three produce errors (due to missing resampling codecs), you get the error. The error is straightforward: the game is trying
The most common fix is ensuring you have the necessary RTP installed for the engine the game was built with. Install: Run the installer
C:\Program Files (x86)\Enterbrain\RPG2003).Note: If you are using the "EasyRPG" player, you may not need the RTP installed on your system, as EasyRPG often includes its own compatibility layers.