Resolution for 'Combine items issue: 'Combine items in invoice' available: Yes.
The Combine items 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 Combine items issue yourself by looking for a resolution described in the article. If it is a complex Combine items issue or you are unable to solve the issue, you may contact us by clicking here or by using other Combine items support options.
For more information about resolving issues related to Combine items in Quickbooks/QBO or to get support for the issue 'Combine items in invoice', click the link below: