Hi @charmax001,
This behavior occurs when you try to run the SSIS package by using a different computer or a different user account than the computer and user account that were used to create the SSIS package.
To resolve this behavior, change the value of the ProtectionLevel property in the SSIS package.
More details you may refer the official documentations:
error-loading-message-run-integration-services-package
access-control-for-sensitive-data-in-packages
Regards,
Zoe Hui
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