how to remove language dependency in VS 2010?

Question

Does this error caused by language dependencies in VS 2010? I can't compile and keeps generating this error.

Invalid option '3' for /langversion; must be ISO-1, ISO-2 or Default

Answer 1

I fixed the issue. I choose default and now it's all good:

1. Open the project's Properties page.

2. Click the Build property page.

3. Click the Advanced button.

4. Modify the Language Version property.