If a filer has added too many of a particular Optional / Additional Service to their filing, the website will produce the following error message:
"An error occurred calculating fees: Failure Reason(s): 412 - The following error occurred during GetFeesCalculation: [412] Duplicate optional service found."
To resolve this error, the user should return to the Optional / Additional Services and double-check the services they've added to ensure there are no duplicates.
For more information about adding Optional / Additional Services, please refer to the following article: