a pending invoice is an invoice that was created and then marked pending instead of Final.  open the invoice and near the top is a button that says “Mark as Final.”  click it.

Resolution for 'apply payment issue: 'I have a “pending” invoice and would like to apply payment. Do not know what a “pending” invoice is or how it got that way.' available: Yes.

The apply payment 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 apply payment issue yourself by looking for a resolution described in the article. If it is a complex apply payment issue or you are unable to solve the issue, you may contact us by clicking here or by using other apply payment support options.

For more information about resolving issues related to apply payment in Quickbooks/QBO or to get support for the issue 'I have a “pending” invoice and would like to apply payment. Do not know what a “pending” invoice is or how it got that way.', click the link below: