To recreate the issue you have to have MultiMC - Download OptiFine HD U H1 1.17.1 - Extract to the MOD variant - place the MOD jar in with MultiMC 1.17.1 Version folder - hit play - OptiFine is ...
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke ...