Crash trying to open Ship Inventory

[KollinsPlays]

• The version of the mod you are using (e.g. 2.0.0a4) archimedesshipsplus-1.7.10-1.8.1
• Your Minecraft version (e.g. 1.11.2) 1.7.10
• Your Forge version (e.g. 13.20.0.2252) 10.13.4.1614
• The crash report or log, uploaded to gist.github.com (e.g. https://gist.github.com/unascribed/09ec875df0cc830df1116559f4adb333) (https://pastebin.com/Qb705UsF)

Issue: I have a simple air ship aka a "scooty puff" with 2 air balloon and a helm and after flying around for awhile in it, I now crash every time I try to open the Ship Inventory, even after rebooting.