changed my cache and this error comes out

Hello, i change my cache and i got this error coming up :

Spoiler for Heres the error:

Error: loaderror null 0
java.lang.ArrayIndexOutOfBoundsException: -1
at ItemDef.forID(ItemDef.java:200)
at ItemDef.toNote(ItemDef.java:668)
at ItemDef.forID(ItemDef.java:652)
at ItemDef.unpackConfig(ItemDef.java:58)
at Client.startUp(Client.java:9103)
at RSApplet.run(RSApplet.java:174)
at Client.run(Client.java:6132)
at java.lang.Thread.run(Unknown Source)

Got the same exact problem, any help would be appreciated

bump

It's missing something, use the original cache files; make sure it works, then replace one at a time each thing you changed in the cache until the error occurs then you know exactly what it is which is causing the problem.