Make sure you have the little box send later checked off on the invoice.

Resolution for 'button go issue: 'Where did the save and send button go?' available: Yes.

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

For more information about resolving issues related to button go in Quickbooks/QBO or to get support for the issue 'Where did the save and send button go?', click the link below: