"The package version is 6 (SSIS 2016). The current SSIS runtime version is older. Please apply SSIS6 UPD."
Microsoft recommends always installing the latest Cumulative Update for SQL Server 2016, as it bundles all previous ssis6 upd fixes. ssis6 upd
To explicitly upgrade to version 6 format (SSIS 2016): "The package version is 6 (SSIS 2016)
You have multiple SSIS runtimes (e.g., 32-bit vs 64-bit) or multiple instances. Solution: Run SELECT @@VERSION on each instance. Patch all instances that run SSIS packages. ssis6 upd
: News regarding the Adoption and Foster Care Analysis and Reporting System ( AFCARS ), including compliance updates and specific error-handling instructions.