“can I track the usage of Boxes A & B without creating Assemblies for all our item numbers?”
Sure; on Sales, you would use Group Items, so that when you package a shipment it reduces Boxes and Components at the same time.
“Best case would be if they box inventory count would […]
Resolution for 'Assembly issue: 'track components for an item number without assembly' available: Yes.
The Assembly 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 Assembly issue yourself by looking for a resolution described in the article. If it is a complex Assembly issue or you are unable to solve the issue, you may contact us by clicking here or by using other Assembly support options.
For more information about resolving issues related to Assembly in Quickbooks/QBO or to get support for the issue 'track components for an item number without assembly', click the link below: