Bring the check up on screen, at the bottom of the screen is a more button, use that

Resolution for 'check up on screen issue: 'How do I void a check?' available: Yes.

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

For more information about resolving issues related to check up on screen in Quickbooks/QBO or to get support for the issue 'How do I void a check?', click the link below: