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I am assuming this is the error: 0xC00160AC (Microsoft.SqlServer.DTSRuntimeWrap) which is a connection/enumeration failure against the legacy Integration Services service (MsDtsServer), which fronts the old Package Store (MSDB + file system). Your "Add Copy of Existing Package" dialog targets that store. But your package is deployed to the SSISDB catalog (Project Deployment Model - visible in your screenshot under Integration Services Catalogs => SSISDB => Projects => Packages). The catalog isn't served through MsDtsServer, so that dialog can't reach it.
You can recover it one of two ways.
Option A - Export the .ispac from SSMS (simplest):
SSMS => connect to the Database Engine on SQL 2017 (not Integration Services).
Integration Services Catalogs => SSISDB => your folder => Projects => right-click the project => Export.
Save the .ispac. It's an OPC zip - rename to .zip and extract to confirm the .dtsx, .params, and .conmgr files are all there.
- Option B - Import Project Wizard (rebuilds the project directly in SSDT):
Visual Studio => File => New => Project => Integration Services Import Project Wizard.
Source: Integration Services Catalog => server = SQL 2017 instance => browse to the project.
Finish. You get the full project - every package, connection managers, project parameters - open in the designer.
Then the 2017 => 2022 migration:
Open the recovered project in SSDT, make your edits.
Set project TargetServerVersion = SQL Server 2022.
Rebuild → produces a fresh .ispac.
Deploy to the SSIS 2022 catalog side-by-side, validate on 2022.