Errors and Warnings

1. Open sub.pli.
2. Add a1 = fred; to the source code.
3. Remove end sub;.
4. Add Invalid command.
5. Rebuild the solution.

Note that two errors and two warnings have been reported. You can go directly to the errors in the code by double-clicking the error messages.

Revert the changes by pressing Alt + Backspace twice and rebuild.