4.18.2-petu

Fixed error throwing `ConcurrentModificationException`

Signed-off-by: petulikan1 <petulikan@gmail.com>

Took 2 hours 24 minutes

Author: petulikan1

gradle.properties

@@ -21,4 +21,4 @@
 #
 
 group = com.wolfyscript.customcrafting
-version = 4.18.1-petu
+version = 4.18.2-petu

spigot/src/main/java/me/wolfyscript/customcrafting/handlers/ResourceLoader.java

@@ -43,6 +43,7 @@
 import org.jetbrains.annotations.NotNull;
 
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 
 public abstract class ResourceLoader implements Comparable<ResourceLoader>, Keyed {
 
@@ -55,7 +56,7 @@ public abstract class ResourceLoader implements Comparable<ResourceLoader>, Keye
     private boolean replaceData = false;
     private boolean doneLoading = false;
 
-    protected final Multimap<CustomRecipe<?>, Dependency> recipeDependencies = Multimaps.newSetMultimap(new HashMap<>(), HashSet::new);
+    protected final Multimap<CustomRecipe<?>, Dependency> recipeDependencies = Multimaps.newSetMultimap(new ConcurrentHashMap<>(), HashSet::new);
     protected final List<VerificationResult<? extends CustomRecipe<?>>> invalidRecipes = new ArrayList<>();
     protected final List<NamespacedKey> failedRecipes = new ArrayList<>();
     private final Deque<ScheduledPluginIntegrationTask> scheduledPluginIntegrationTasks = new ArrayDeque<>();