[17:56:30 WARN]: java.lang.ClassNotFoundException: net.minecraft.server.v1_17_R1.MinecraftServer
[17:56:30 WARN]:        at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:433)
[17:56:30 WARN]:        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:586)
[17:56:30 WARN]:        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
[17:56:30 WARN]:        at java.base/java.lang.Class.forName0(Native Method)
[17:56:30 WARN]:        at java.base/java.lang.Class.forName(Class.java:375)
[17:56:30 WARN]:        at com.extendedclip.papi.expansion.server.ServerExpansion.<init>(ServerExpansion.java:64)
[17:56:30 WARN]:        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[17:56:30 WARN]:        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:78)
[17:56:30 WARN]:        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[17:56:30 WARN]:        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
[17:56:30 WARN]:        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
[17:56:30 WARN]:        at PlaceholderAPI-2.10.10.jar//me.clip.placeholderapi.expansion.manager.LocalExpansionManager.createExpansionInstance(LocalExpansionManager.java:393)
[17:56:30 WARN]:        at PlaceholderAPI-2.10.10.jar//me.clip.placeholderapi.expansion.manager.LocalExpansionManager.register(LocalExpansionManager.java:162)
[17:56:30 WARN]:        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
[17:56:30 WARN]:        at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)
[17:56:30 WARN]:        at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
[17:56:30 WARN]:        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
[17:56:30 WARN]:        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
[17:56:30 WARN]:        at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
[17:56:30 WARN]:        at java.base/java.util.stream.ReduceOps$5.evaluateSequential(ReduceOps.java:257)
[17:56:30 WARN]:        at java.base/java.util.stream.ReduceOps$5.evaluateSequential(ReduceOps.java:248)
[17:56:30 WARN]:        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
[17:56:30 WARN]:        at java.base/java.util.stream.ReferencePipeline.count(ReferencePipeline.java:709)
[17:56:30 WARN]:        at PlaceholderAPI-2.10.10.jar//me.clip.placeholderapi.expansion.manager.LocalExpansionManager.lambda$registerAll$3(LocalExpansionManager.java:327)
[17:56:30 WARN]:        at PlaceholderAPI-2.10.10.jar//me.clip.placeholderapi.util.Futures.lambda$null$0(Futures.java:46)