ÇözüldüBu hatanın anlamı nedir ?

[16:49:12 WARN]: java.lang.InternalError
[16:49:12 WARN]:        at ia.m.dY.a(class:260)
[16:49:12 WARN]:        at ia.m.pQ.a(class:4731)
[16:49:12 WARN]:        at ia.sh.org.apache.commons.math3.distribution.PoissonDistribution.a(class:2332)
[16:49:13 WARN]:        at ia.m.pQ.a(class:2200)
[16:49:13 WARN]:        at ia.m.eG.a(class:500)
[16:49:13 WARN]:        at ia.m.if.a(class:5078)
[16:49:13 WARN]:        at ia.m.kS.a(class:3275)
[16:49:13 WARN]:        at dev.lone.itemsadder.Core.OtherPlugins.rwg.RwgAddon.a(class:1824)
[16:49:13 WARN]:        at ia.m.ih.a(class:1114)
[16:49:13 WARN]:        at ia.sh.io.protostuff.WriteSink$1.a(class:114)
[16:49:13 WARN]:        at ia.m.oR.a(class:4262)
[16:49:13 WARN]:        at ia.sh.org.apache.commons.math3.util.ResizableDoubleArray$ExpansionMode.a(class:2157)
[16:49:13 WARN]:        at ia.sh.io.protostuff.StreamedStringSerializer.a(class:1802)
[16:49:13 WARN]:        at ia.m.cH.a(class:710)
[16:49:13 WARN]:        at ia.m.nw.a(class:5191)
[16:49:13 WARN]:        at ia.m.bM.a(class:613)
[16:49:13 WARN]:        at ia.m.fE.a(class:1180)
[16:49:13 WARN]:        at ia.m.qR.a(class:2497)
[16:49:13 WARN]:        at ia.m.co.a(class:3916)
[16:49:13 WARN]:        at ia.m.pL.a(class:639)
[16:49:13 WARN]:        at ia.m.py.a(class:2970)
[16:49:13 WARN]:        at ia.m.kn.a(class:2337)
[16:49:13 WARN]:        at ia.m.nw.a(class:1269)
[16:49:13 WARN]:        at ia.m.as.a(class:3890)
[16:49:13 WARN]:        at ia.sh.org.apache.commons.math3.analysis.solvers.BrentSolver.a(class:1704)
[16:49:13 WARN]:        at ia.m.V.a(class:556)
[16:49:13 WARN]:        at ia.m.no.a(class:3097)
[16:49:13 WARN]:        at ia.m.oM.a(class:997)
[16:49:13 WARN]:        at ia.m.nb.a(class:786)
[16:49:13 WARN]:        at ia.m.so.a(class:4165)
[16:49:13 WARN]:        at ia.m.eK.a(class:6297)
[16:49:13 WARN]:        at ia.m.eg.a(class:4961)
[16:49:13 WARN]:        at ia.sh.io.protostuff.ByteString.a(class:2453)
[16:49:13 WARN]:        at ia.m.kN.a(class:3143)
[16:49:13 WARN]:        at ia.m.bv.a(class:4464)
[16:49:13 WARN]:        at ia.m.gd.a(class:4470)
[16:49:13 WARN]:        at ia.sh.org.apache.commons.math3.analysis.solvers.UnivariateSolver.a(class:2605)
[16:49:13 WARN]:        at ia.m.bH.a(class:715)
[16:49:13 WARN]:        at ia.m.dl.a(class:4000)
[16:49:13 WARN]:        at ia.m.kI.a(class:2451)
[16:49:13 WARN]:        at ia.m.be.a(class:3617)
[16:49:13 WARN]:        at ia.m.sb.a(class:556)
[16:49:13 WARN]:        at ia.m.hm.a(class:1634)
[16:49:13 INFO]: [ItemsAdder] Disabling ItemsAdder v3.6.4