The Process Gateway AccessIEC870Sl, when configured to run in a sub project, failed to accept ASDUs with commands (e.g. T46). It logged them as linked to unknown project variables even though the variables exist in the project. This occurred because there was no ProjectID reference added in the configuration. In the command direction, the Gateway tried to resolve the variables in the scope of the integration project (start project), not of the sub project.
The issue has been addressed and the behavior is now as expected.
To benefit from this fix: