When using Drad and Drop UMG with iOS via the information provide in the forum thread, the project will crash on the device it is deployed to when dragging the UMG

Steps to Reproduce

1) Open a First-Person Template project
2) Right click in the Content browser to create a Widget Blueprint
3) Name the widget any name and then double click to open the Widget
4) In the Palette of the UMG, Add an image to the window
5) Click on the Image now in the UMG viewport
6) Under the Appearance section, find the brush option and add a crosshair to the image
7) Once that is complete, add a canvas panel to the UMG via the Palette
8) Click on the Graph of the UMG once the canvas panel has been added
9) In the My blueprint section, under the Overridable Functions section, click on the Mouse dropdown and add a On Mouse Button Down function
10) Also, add a On Drag Detected (from Drag and Drop) and add On Drop (From Drag and Drop)
11) Follow the Images attached below to setup each Function in the UMG
12) Once the UMG is set, Open the MyCharacter BP
13) Add what is pictured in the image attached below to the graph of MyCharacter
14) Save all and test to make sure that the Drag and Drop are working correct when PIE
15) Deploy to a mobile device

Community References

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ComponentUE - Editor - UI Systems
Affects Versions4.64.7
Target Fix4.9
CreatedDec 30, 2014
ResolvedJul 10, 2015
UpdatedSep 16, 2019