Error executing task on Client

Error executing task on Client
java.lang.IndexOutOfBoundsException: Index 1 out of bounds for length 1
	at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
	at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
	at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
	at java.base/java.util.Objects.checkIndex(Objects.java:359)
	at java.base/java.util.ArrayList.get(ArrayList.java:427)
	at bmk.a(SourceFile:590)
	at ejj.a(SourceFile:1087)
	at qj.a(SourceFile:34)
	at qj.a(SourceFile:7)
	at pm.a(SourceFile:21)
	at aqv.c(SourceFile:151)
	at aqz.c(SourceFile:23)
	at aqv.z(SourceFile:125)
	at aqv.bp(SourceFile:110)
	at dvp.f(SourceFile:1075)
	at dvp.e(SourceFile:728)
	at net.minecraft.client.main.Main.main(SourceFile:217)