Pls Fix.

When performing a save from Bazaar

Error:

[23:15:53 ERROR]: Could not pass event InventoryClickEvent to ILibrary v3.13.1
java.util.regex.PatternSyntaxException: Unescaped trailing backslash near index 1

at java.base/java.util.regex.Pattern.error(Pattern.java:2204) ~[?:?]
at java.base/java.util.regex.Pattern.compile(Pattern.java:1951) ~[?:?]
at java.base/java.util.regex.Pattern.(Pattern.java:1576) ~[?:?]
at java.base/java.util.regex.Pattern.compile(Pattern.java:1101) ~[?:?]
at java.base/java.lang.String.split(String.java:3398) ~[?:?]
at java.base/java.lang.String.split(String.java:3489) ~[?:?]
at bazaar-minecraft-8.0.0.jar/de.ancash.bazaar.gui.editor.category.CategorySearchProcessor.lambda$processSearchQuery$5(CategorySearchProcessor.java:45) ~[bazaar-minecraft-8.0.0.jar:?]
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:212) ~[?:?]
at java.base/java.util.ArrayList.forEach(ArrayList.java:1597) ~[?:?]
at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:395) ~[?:?]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:261) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:557) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:546) ~[?:?]
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:265) ~[?:?]
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:702) ~[?:?]
at bazaar-minecraft-8.0.0.jar/de.ancash.bazaar.gui.editor.category.CategorySearchProcessor.processSearchQuery(CategorySearchProcessor.java:65) ~[bazaar-minecraft-8.0.0.jar:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.search.SearchGUI.lambda$computeResults$2(SearchGUI.java:93) ~[ilibrary-3.13.1.jar:?]
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:212) ~[?:?]
at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:556) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:546) ~[?:?]
at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:?]
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:265) ~[?:?]
at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:611) ~[?:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.search.SearchGUI.computeResults(SearchGUI.java:93) ~[ilibrary-3.13.1.jar:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.search.SearchGUI.refresh(SearchGUI.java:85) ~[ilibrary-3.13.1.jar:?]
at bazaar-minecraft-8.0.0.jar/de.ancash.bazaar.marketspace.editor.MarketspaceEditor.lambda$addRootCategory$6(MarketspaceEditor.java:139) ~[bazaar-minecraft-8.0.0.jar:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.InventoryItem.onClick(InventoryItem.java:75) ~[ilibrary-3.13.1.jar:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.IGUI.preOnInventoryClick(IGUI.java:139) ~[ilibrary-3.13.1.jar:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.IGUIManager.lambda$inventoryClickEvent$3(IGUIManager.java:38) ~[ilibrary-3.13.1.jar:?]
at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?]
at ilibrary-3.13.1.jar/de.ancash.minecraft.inventory.IGUIManager.inventoryClickEvent(IGUIManager.java:38) ~[ilibrary-3.13.1.jar:?]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3195) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:69) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:14) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:29) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:155) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1448) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:176) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:129) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1428) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1422) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:139) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.managedBlock(MinecraftServer.java:1379) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1387) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1264) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:310) ~[paper-1.21.4.jar:1.21.4-136-e0711af]
at java.base/java.lang.Thread.run(Thread.java:1570) ~[?:?]

ok..............................................................................

Plugin not loading on Minecraft 1.8.8.
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Socket? So can I connect to my own socket server and send any packets? or is it not?