I had to do some digging cause I could only vaguely remember about this but do you have the microsoft visual studio librairies installed?
This has been a recurring issue with some mods like the A-4:
From the A-4 Discord:
The module is installed correctly, but I am unable to take control of the aircraft. Ensure you have installed Microsoft’s Visual Studio 2015, 2017 and 2019 Redistributable libraries. Windows users running DCS world are typically running x64, so you will want to download and install vc_redist.x64.exe (~15 MB) from the following page, install the library, and then restart your computer: Latest supported Visual C++ Redistributable downloads | Microsoft Learn