It happens with older blueprints. It happens if you press the "Change items to auto pull" button of a chest.
Screenshot:
Blueprint of that ship:
[2015-05-08 17:05:04] SECOND INVENTORY SET TO Inventory: (3; (4, 20, 10)){} [2015-05-08 17:05:10] java.lang.ArrayIndexOutOfBoundsException: 1792 [2015-05-08 17:05:10] at org.schema.game.common.data.element.ElementKeyMap.getInfo(SourceFile:633) [2015-05-08 17:05:10] at obfuscated.zD.<init>(SourceFile:15) [2015-05-08 17:05:10] at obfuscated.zE.a(SourceFile:287) [2015-05-08 17:05:10] at obfuscated.aqT.a(SourceFile:482) [2015-05-08 17:05:10] at obfuscated.aoE.a(SourceFile:53) [2015-05-08 17:05:10] at obfuscated.aoE.a(SourceFile:53) [2015-05-08 17:05:10] at obfuscated.aqp.a(SourceFile:87) [2015-05-08 17:05:10] at obfuscated.apR.a(SourceFile:281) [2015-05-08 17:05:10] at obfuscated.apV.a(SourceFile:115) [2015-05-08 17:05:10] at obfuscated.lH.a(SourceFile:203) [2015-05-08 17:05:10] at obfuscated.lS.a(SourceFile:228) [2015-05-08 17:05:10] at obfuscated.gX.d(SourceFile:721) [2015-05-08 17:05:10] at obfuscated.gC.b(SourceFile:622) [2015-05-08 17:05:10] at obfuscated.gC.a(SourceFile:399) [2015-05-08 17:05:10] at obfuscated.anm.e(SourceFile:781) [2015-05-08 17:05:10] at obfuscated.anm.a(SourceFile:1183) [2015-05-08 17:05:10] at obfuscated.C.h(SourceFile:2302) [2015-05-08 17:05:10] at obfuscated.Ji.run(SourceFile:86) [2015-05-08 17:05:10] at java.lang.Thread.run(Unknown Source)
Full log: