Sometimes it needs admin perms to actually delete stuff. Go to: C:\Users\caitl.gradle\caches\
Delete transforms-4
Also: delete .gradle folder in your project directory
Empty the recycle bin just in case
flutter build apk --release --no-daemon
Move your whole Flutter project to a different location like: C:\FlutterProjects\waste_pal\
Avoid spaces and “Copy” or “- Copy” in path names. Windows sometimes freaks out over that during Gradle ops.