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• Remove both the activation modules.
• Add If you do not currently use transactional activation, add all modules from the magnolia-publishing-parent to  (See Publishing module) to your bundle, either manually as pre-built jars or as dependencies.
• If you currently use transactional activation to manage multiple public instances, add the modules from the magnolia-publishing-transactional-parent (See Publishing Transactional module) reactor. 
• Check that after the upgrade the subscribers were correctly migrated from /server/activation to /modules/publishing-core/config/receivers.
•  Rewrite your custom activation commands to be compatible with the modules of the new publishing module pack.

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