Trying to call event from another blueprint

I have this custom function in the game mode blueprint:
And I’m triggering it from:
[ATTACH=JSON]{“data-align”:“none”,“data-size”:“full”,“data-tempid”:“temp_186326_1584612887943_383”}[/ATTACH]

But this function crashes the editor, i don’t know why.

I know this is several years old, but this helped me resolve an issue I was having in my own project. Thanks a bunch!

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Could you repost this answer? The pictures arent appearing