If you place a text block into UMG and then click on bind for the text in that text block (in the details panel) it will make a function. If you rename said function and then click the designer tab with out excepting the name change (with out hitting enter or deselecting) it will crash the engine.
1. Open UE4 Editor
2. Create a new blueprint widget by right clicking in content browser
>user interface>Blueprint Widget
3. Make sure that Designer tab is selected in upper right corner
4. Drag a text widget from Palette into viewport
5. Select the text widget by clicking in the center of it.
6. In the details tab under content click the "bind" button
7. Look to the left and find "Get Text 0" function(this should be the default name)
8. Right click > Rename
9. Type "Something"
10. Without hitting enter or deselecting (accepting the new name) the function click the designer tab
Head over to the existing Questions & Answers thread and let us know what's up.