[spark] A command execution has not completed after 5 seconds

[18:01:15] [Paper Async Task Handler Thread - 1/INFO]: [⚡] Stopping the profiler & uploading results, please wait...
[18:01:20] [Paper Async Task Handler Thread - 0/WARN]: [spark] A command execution has not completed after 5 seconds, it *might* be stuck. Trace:
  java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:572)
  java.base/java.lang.ClassLoader.loadClassHelper(ClassLoader.java:1204)
  java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1119)
  java.base/java.lang.ClassLoader.loadClassHelper(ClassLoader.java:1192)
  java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1119)
  org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:169)
  org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:144)
  io.papermc.paper.SparksFly$2.lookup(SparksFly.java:71)
  me.lucko.spark.paper.PaperSparkPlugin.lambda$createClassFinder$1(PaperSparkPlugin.java:165)
  me.lucko.spark.paper.common.sampler.source.ClassSourceLookup$VisitorImpl.lambda$visitStackNode$0(ClassSourceLookup.java:282)
  me.lucko.spark.paper.common.sampler.source.ClassSourceLookup$SourcesMap.computeIfAbsent(ClassSourceLookup.java:341)
  me.lucko.spark.paper.common.sampler.source.ClassSourceLookup$VisitorImpl.visitStackNode(ClassSourceLookup.java:279)
  me.lucko.spark.paper.common.sampler.source.ClassSourceLookup$VisitorImpl.visit(ClassSourceLookup.java:273)
  me.lucko.spark.paper.common.sampler.AbstractSampler.writeDataToProto(AbstractSampler.java:222)
  me.lucko.spark.paper.common.sampler.java.JavaSampler.toProto(JavaSampler.java:196)
  me.lucko.spark.paper.common.command.modules.SamplerModule.handleUpload(SamplerModule.java:422)
  me.lucko.spark.paper.common.command.modules.SamplerModule.profilerStop(SamplerModule.java:408)
  me.lucko.spark.paper.common.command.modules.SamplerModule.profiler(SamplerModule.java:141)
  me.lucko.spark.paper.common.SparkPlatform.executeCommand0(SparkPlatform.java:462)
  me.lucko.spark.paper.common.SparkPlatform.lambda$executeCommand$2(SparkPlatform.java:359)
  io.papermc.paper.SparksFly$1.lambda$catching$0(SparksFly.java:55)
  java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  java.base/java.lang.Thread.run(Thread.java:1595)