I have three different configurations of an assembly, with only the height of a few parts different between them. All the mates etc. should be exactly the same, yet when I opened it up this morning, one of the configurations suddenly went all over the place and I have red and yellow all over my feature tree. The configurations should all be exactly the same mate wise and I can't seem to find the culprit that is causing this. I have attached a pack n' go file of the three assemblies (GiziMax, GiziMate and GiziPro). The GiziMate is the one with issues.

I am wondering if there is someone quick way to find out which mate is causing the majority of rebuild errors with the other mates. Would someone mind having a quick look for me to try and find out what is causing this please?

What it looks like at the moment.

What it should look like.