When adding rows to a DataTable that has its DataTable tab hidden or exited out, the Editor will crash when adding a row to the DataTable. This crash happens in 4.17, 4.18, and 4.19.

Steps to Reproduce
  1. Open a blank project in UE 4.18.1
  2. Create a structure blueprint
  3. Create a DataTable based off of that structure blueprint
  4. Open the DataTable
  5. Add rows and close the DataTable tab
  6. Save and exit DataTable editor and then reopen it
  7. Add a row

Result: Editor crashes

Expected: It adds the row

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Affects Versions4.
Target Fix4.19
Fix Commit3766556
Main Commit3807911
Release Commit3813083
CreatedNov 20, 2017
ResolvedNov 20, 2017
UpdatedApr 27, 2018