It is frustrating when you encounter an error in Maya while modeling and you don't know what to do. When all you want to do is keep modeling game environments.
If you encountered a common problem to a missing Scale Tool, here is a quick solution.
Error: manipScaleContext: Object 'Scale' not found
- Close Maya
- Relaunch Maya. Do not open the problem scene file
- ith New Scene opened go up to File --> Import
- Import the problem scene into a new fresh scene
- Problem fixed