QuickBooks 2013 has been discontinued and is no longer supported. This includes all versions of QuickBooks 2013 (Pro, Premium, Enterprise Solutions, and Accountant Edition). You can always upgrade to the latest version of QuickBooks at anytime. Whenever you’re ready to upgrade, you can download QuickBooks through the support site or
Resolution for 'can add issue: 'As I can add another license?' available: Yes.
The can add issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the can add issue yourself by looking for a resolution described in the article. If it is a complex can add issue or you are unable to solve the issue, you may contact us by clicking here or by using other can add support options.
For more information about resolving issues related to can add in Quickbooks/QBO or to get support for the issue 'As I can add another license?', click the link below: