In ArcGIS Business Analyst Web App, when attempting to delete a project, the following error message is returned:
Error: Failed to remove this project.
The project's hosted feature layer is deleted in ArcGIS Online. Refer to ArcGIS Business Analyst: Business Analyst content in ArcGIS Online for more information.
In ArcGIS Online, delete the project's group to remove the project from ArcGIS Business Analyst Web App.