The following diagnostic is generating:

Form 8936 # {PrefixNum} : The VIN entered for the vehicle for which a credit is being claimed is invalid.

Solution:

1. Click on the diagnostic from the Diagnostics tab.
2. This will take you to Credits>Screen 34 General Business & Vehicle Credits
3. In the Clean Vehicle Credit>Schedule A Part I: Vehicle Details verify the VIN in the Vehicle Identification Number (VIN) field is entered correctly.
4. If the VIN is incorrect, enter the correct one in the field.