flutter macOS build error: accessing build database disk I/O error ** BUILD FAILED **

Question

I received the following error while trying to build my Flutter project for MacOS,

error: accessing build database "..." disk I/O error 
** BUILD FAILED **

I tried running flutter clean and invalidating caches and restarting in Android Studio and IntelliJ, but it didn't help.

Answer 1

如果您有 Google Drive Desktop 同步您的桌面，请确保您不同步您正在开发的文件夹。暂停同步或将开发文件夹移到 Google Drive 正在同步的位置之外。

Answer 2

after hours of researching the problem, it was actually the google drive syncing causes the build to fail. Once I paused the sync, the program executed perfectly. Thanks @dantechguy