The plugin TEMPLATE GENERATOR does not allow to work with the logical node LTRK properly. It does not so for data object that can be added multiple time like the EncTrk. Here, the UI component of the tree is not used to its fullest yet. In addition to that, the data object EncTrk underlying type depends on the reference set in its sibling objRef which cannot be done in the template generator.
This is a reminder that this is a tricky job for which there is no good solution yet.