Array Contains Blueprint node bug

[anonymous_user_958fa14f]

I was using the array utilities nodes when I came across this error.
The “Contains” node allows you to specify the exact value you are looking for so I tried it by checking for a simple bool false. In-game, this is what happens:

After a while, it becomes this:

I can easily fix this by plugging a variable but shouldn’t the checkbox in the node work? Is this a bug or am I doing something wrong?

[anonymous_user_958fa14f]

Only way I could fix it was creating a new blueprint file.

After further inspection, this happened with every single variable throughout the blueprint.

Marking it as answered.