when I click play it starts launching and then the "game crashed" window pops up.

here is the output log:
15:46:31.043
Preparing to launch minecraft client for 1.16.2
15:46:32.198
Checking installations.
15:46:32.200
Minecraft client 1.16.2 is ready to start.
15:46:32.200
Starting!
15:46:32.238
Using default game log configuration client-1.12.xml (outputs XML)
15:46:34.402
Exception in thread "main" java.lang.BootstrapMethodError: java.lang.ExceptionInInitializerError at hk.<clinit>(SourceFile:50) at gm.<clinit>(SourceFile:237) at vm.a(SourceFile:42) at net.minecraft.client.main.Main.main(SourceFile:137) Caused by: java.lang.ExceptionInInitializerError at java.lang.J9VMInternals.ensureError(J9VMInternals.java:146) at java.lang.J9VMInternals.recordInitializationFailure(J9VMInternals.java:135) at java.lang.invoke.MethodHandle.getCPMethodHandleAt(Native Method) at java.lang.invoke.MethodHandle.resolveInvokeDynamic(MethodHandle.java:841) ... 4 more Caused by: java.lang.NullPointerException at hk.a(SourceFile:88) at kk.a(SourceFile:20) at kk.<clinit>(SourceFile:13) ... 6 more