If you create a new invoice and enter a new number and then record the invoice, that will reset the sequence.  Editing existing invoices will not.

Resolution for 'automatic sequential issue: 'Can I change the beginning number for the automatic sequential numbering of invoices?' available: Yes.

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

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