The game crashes when attempting to accept or reject already accepted or rejected realm invitations

Description: mouseClicked event handler

java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
    at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:100)
    at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:106)
    at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:302)
    at java.base/java.util.Objects.checkIndex(Objects.java:385)
    at java.base/java.util.ArrayList.get(ArrayList.java:427)
    at fnt$b.a(SourceFile:559)
    at fnt$b.get(SourceFile:554)
    at fjv.a(SourceFile:103)
    at fjv.c(SourceFile:82)
    at fny.b(SourceFile:96)
    at fnp.a(SourceFile:43)
    at fnw.a(SourceFile:141)
    at fpv.a(SourceFile:38)
    at fma.b(SourceFile:111)
    at ftr.a(SourceFile:429)
    at fma.a(SourceFile:111)
    at fma.c(SourceFile:189)
    at brt.execute(SourceFile:110)
    at fma.b(SourceFile:189)
    at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:43)
    at org.lwjgl.system.JNI.invokeV(Native Method)
    at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3509)
    at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:186)
    at flz.c(SourceFile:1373)
    at flz.f(SourceFile:934)
    at net.minecraft.client.main.Main.main(SourceFile:265)