An Application application created in an WSO2 API Manager has a corresponding OAuth application in the Key Manager side. There can be occasions where Applications applications are created/deleted partially, where the OAuth application is successfully created/deleted but still there are stala data present in is stale data left on the API Manager side related to the already deleted Application. This can happen due to network failures between the API Manager and the Key Manager nodes, partial deletion of Applicationsapplications, etc. In such situations, when a user navigates to the Production Keys tab, a Clean up button would be visible.
This cleanup button can be used to is visible, which allows you to, for instance, delete the remaining Application related application data in from the API Manager side.