Playing video in level blueprint breaks entire blueprint (4.11)

In my level BP I have a Play node which plays a media texture displayed on a TV in the level on begin play (which then goes on and does some other stuff).

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Everything worked completely fine in 4.10. when 4.11 was released I upgraded the project and ever since then my level BP doesn’t run at all if I have the play node in the BP. When I delete it everything else runs fine.

Its not the video as I’ve tried others. I’ve even tried making a new variable for the reference but no luck.

I also tried using set play rate rather than play which also caused the same issue.

I’m getting no errors however. Any ideas?

I am having the same problem. It seems just having a play node (or any media player function) in the level blueprint seems to cause it to break. Even if the execution wire isn’t connected. Very strange. Also tried to work around by creating another object that calls play in a function that is called by the level blueprint. That doesn’t work either.