Description of the issue:

When multiple razor wire blocks are placed next to eachother they cause a crash, I think this is because of an issue when it creates the razor wire with no supports block

Crashlog:

Local IE only instance: https://gist.github.com/alexstratford/bae32a3fc5c9d833af702ea9b7cb6e60
Local IE + Others Instance: https://gist.github.com/alexstratford/70b36f3b309d5f4357fcdf20d427a42a
Server + Others Instance: https://gist.github.com/alexstratford/8012ea1a2673ad52b93a9df4d684885f
Server + Others Crashlog: https://gist.github.com/alexstratford/976e1ea0054a19d39fdbfad6e6c8765e

Versions & Modlist

IE: 0.14-95-b64c0a13
Forge 28.2.3