QB Issue Resolution:
Yes, you can process the 1099 forms on a separate times. Just select the Vendors that you want to process 1099 forms by checking the box prior to their name.
Resolution for Issue 'do I need to create all the 1099 forms for vendors at the same time, or can I process them at separate times?' available: Yes (Solved).
Source: Intuit Community forum.
do I need to create all the 1099 forms for vendors at the same time, or can I process them at separate times?: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for box prior
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for box prior [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.
Additional Support Options: