Go to RT‑Thread Studio → Package Manager and make sure the AB32VG1 BSP is fully installed and up to date. Missing packages or version mismatches often cause build failures.
https://docs.google.com/document/d/1XpeiJUbYCz_Y3tEMg6bj5P6xA1I8NIYa/edit?usp=sharing&ouid=109133764362619513557&rtpof=true&sd=true fnaf
Ask Compatible Toolchain Setup