At this time, there’s no way to remove that entry from the Home screen.
Resolution for 'Activity List issue: 'Activity list on QBO Homepage' available: Yes.
The Activity List 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 Activity List issue yourself by looking for a resolution described in the article. If it is a complex Activity List issue or you are unable to solve the issue, you may contact us by clicking here or by using other Activity List support options.
For more information about resolving issues related to Activity List in Quickbooks/QBO or to get support for the issue 'Activity list on QBO Homepage', click the link below: