You're referring to the infamous "d3dx3_30.dll" error!
Understanding and Resolving "d3dx9_30.dll Missing" Errors The error message "d3dx9_30.dll was not found" is a frequent headache for PC gamers and users of legacy graphics software. This file is a critical component of Microsoft DirectX 9.0c, a collection of application programming interfaces (APIs) designed to handle tasks related to multimedia, particularly game programming and video. d3dx3 30dll new
DirectX Version Mismatch: Your system has a newer version of DirectX (like DX11 or DX12), but the game specifically requires these older legacy components. You're referring to the infamous "d3dx3_30