After upgrading to Parallels Operations Automation (POA) 5.5.2, it is impossible to remove or update any APS 1.x application instance created before the POA 5.5.2 installation. An error is displayed in the POA Customer Control Panel, similar to:
An internal error occurred. Error ID: 1383480920533
The poa.debug.log on the POA Management Node contains the following error:
[APSC] resource of type aps.environment not found.
The problem is caused by the issue APS-14605.
The issue is fixed in POA 5.5 Update 3. Update POA to this or a more recent version.