2946463 - Error: "The model was updated. Please save Data Action again." in Data Action in SAP Analytics Cloud (SAC) when adding hierarchy to a dimension - 2020.15.0

After adding an hierarchy in a dimension, all data actions on several models using that dimension are invalid. The user has to go in each one of them to re-save them. 
In each data action the error message appears: "The model was updated. Please save Data Action again."

• SAP Analytics Cloud (Enterprise) 2020.15.0

1. Add hierarchy
2. Save model
3. Go to data actions

If there are some changes, such as adding a hierarchy to a dimension, you need to update all Data Actions with the new dimension information because the Data Actions were built based on the dimension information. There is no option to automatically update related Data Actions when the model changes.

Workaround:

Export and import only the Data Actions of the model.

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