Hi @Avyayah ,
You are upgrading Integration Services Packages Using the SSIS Package Upgrade Wizard.
We'd suggest that you may carefully refer the official documentation step by step.
upgrade-integration-services-packages-using-the-ssis-package-upgrade-wizard
ssis-package-upgrade-wizard-f1-help
The error message is same as your original issue post here, you may check if the reply is useful.
Also you here is the same issue when upgrading, you may take a carefully reference.
https://www.sqlservercentral.com/forums/topic/migration-of-ssis-from-sql-2005-to-sql-2012
Regards,
Zoe
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