typically occurs because the game is attempting to trigger a specific sound effect—often a menu selection or confirm sound—that is missing from the local project files or is improperly named Common Causes & Fixes Missing Runtime Package (RTP): Many indie games (like Caliross: The Shapeshifter's Legacy ) require the RPG Maker VX Ace RTP
The game relies on the RPG Maker VX Ace Run-Time Package (RTP) for generic sound effects and was packaged without them. 🛠️ How To Fix It Method 1: The Dummy File Workaround (Fastest)
Here’s a draft for a post regarding the error . You can use this on forums, Reddit, Discord, or a support thread.
Try using a tool like to run the game in Japanese, or change your system's non-Unicode language to Japanese in the Control Panel.
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.