New key value pairs added to a data table are not able to be found until the project is reloaded

Adding a new key to a dataTable deriving from c++ will not be found until the entire project is reloaded.

Download link to test project: https://github.com/sorkNasrk/testbug

1. Download and open the attached project 
2. Open "MyLevel" 
3. Open the blueprintTable and c++Table data tables.
4. Add a new element to both data tables named "6" and save 
5.  In the level blueprint, change the value of both "Find" nodes to 6. save/compile.
6. Press play. Note the result in the top left of PIE.
7. Save and reload the project
8. Press play and note the new results.

Result: The newly added key is unable to be found for the c++ table.

Expected: The new key to be found without having to reload the project.