Error

[HAPPYPMN]

Hello, after following the instructions, I encountered some errors when running the sample, and the following errors occurred. I'm not sure which step went wrong, could you please give me some guidance?

[error] java.lang.AssertionError: assertion failed:
[error] at scala.Predef$.assert(Predef.scala:223)
[error] at chisel3.assert$.apply(Assert.scala:76)
[error] at chisel3.iotesters.setupVerilatorBackend$.apply(VerilatorBackend.scala:275)
[error] at chisel3.iotesters.Driver$.$anonfun$execute$2(Driver.scala:55)
[error] at scala.runtime.java8.JFunction0$mcZ$sp.apply(JFunction0$mcZ$sp.java:23)
[error] at logger.Logger$.$anonfun$makeScope$2(Logger.scala:168)
[error] at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
[error] at logger.Logger$.makeScope(Logger.scala:166)
[error] at logger.Logger$.makeScope(Logger.scala:127)
[error] at chisel3.iotesters.Driver$.$anonfun$execute$1(Driver.scala:38)
[error] at scala.runtime.java8.JFunction0$mcZ$sp.apply(JFunction0$mcZ$sp.java:23)
[error] at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
[error] at chisel3.iotesters.Driver$.execute(Driver.scala:38)
[error] at chisel3.iotesters.Driver$.execute(Driver.scala:102)
[error] at mac.test$.main(mac.scala:142)
[error] at mac.test.main(mac.scala)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[error] stack trace is suppressed; run last Test / runMain for the full output
[error] (Test / runMain) java.lang.AssertionError: assertion failed