Rails Wont Cross

[Harveyz]

My rails won't cross on my new save, completely messing up my ability to do T-Junctions. I've added an image that shows how they are behaving. Any ideas why this is happening? Only Curves cross over.

[Smarty]

you need to actually connect the tracks together

[Harveyz]

I can't, it automatically separates the other line, like this;

[daniel34]

You are using Logistics Railway, you need to update the mod to the current version.

Version 1.0.3 - March 17, 2016
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Fixed an issue which was causing vanilla straight rails to be unable to cross each other.

[Harveyz]

Thank you so much! I've spent ages searching for the reason causing this!