Scale text elements are not supported and were dropped from the layout.
Solution
- After importing the .mxd file, open the layout, select the dynamic text for scale, and make any necessary formatting changes.
- If the scale text was part of a group in the .mxd file, its converted dynamic text element will no longer be in the group. You will need to manually move the dynamic text element back into the group
- To address the issue before importing, replace the scale text element with a piece of dynamic text for the data frame scale (dyn type="dataFrame" name="DataFrameName" property="scale"/).