[07:40:58 ERROR]: [PlaceholderAPI] failed to load class files of expansions
java.util.concurrent.CompletionException: java.lang.NoClassDefFoundError: me/blackvein/quests/quests/IQuest
        at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) ~[?:?]
        at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320) ~[?:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1770) ~[?:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760) ~[?:?]
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?]
        at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?]
        at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?]
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?]
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?]
Caused by: java.lang.NoClassDefFoundError: me/blackvein/quests/quests/IQuest
        at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
        at java.lang.Class.privateGetDeclaredMethods(Class.java:3402) ~[?:?]
        at java.lang.Class.getDeclaredMethods(Class.java:2504) ~[?:?]
        at me.clip.placeholderapi.expansion.manager.LocalExpansionManager.lambda$findExpansionInFile$7(LocalExpansionManager.java:396) ~[PlaceholderAPI-2.11.1.jar:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        ... 6 more
Caused by: java.lang.ClassNotFoundException: me.blackvein.quests.quests.IQuest
        at java.net.URLClassLoader.findClass(URLClassLoader.java:445) ~[?:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:587) ~[?:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
        at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
        at java.lang.Class.privateGetDeclaredMethods(Class.java:3402) ~[?:?]
        at java.lang.Class.getDeclaredMethods(Class.java:2504) ~[?:?]
        at me.clip.placeholderapi.expansion.manager.LocalExpansionManager.lambda$findExpansionInFile$7(LocalExpansionManager.java:396) ~[PlaceholderAPI-2.11.1.jar:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        ... 6 more