The general business credit is reported on form 3800. That form may be in your program from a previous year. You can look for it and delete it if you are sure you don't need it.
A simple way to delete forms in TurboTax online is to use the Tax Tools menu option, which is on your left menu bar when you are working in your program. Then, choose Tools and then Delete a form.
If you are working in the download TurboTax program, use the Forms Mode on your menu bar to bring up the form you want to delete, then choose the Delete Form option at the bottom of the form.