diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/RestrictionManager.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/RestrictionManager.java
index 4d06cdc6..6cc6f02b 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/RestrictionManager.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/RestrictionManager.java
@@ -115,8 +115,9 @@ public class RestrictionManager implements MMOCoreManager {
                 String parentFormat = formatId(config.getString("parent"));
                 parent = Objects.requireNonNull(map.get(parentFormat), "Could not find parent with ID '" + parentFormat + "'");
             }
-            for (String key : config.getStringList("can-mine"))
-                mineable.add(MMOCore.plugin.loadManager.loadBlockType(new MMOLineConfig(key)).generateKey());
+            if (config.contains("can-mine"))
+                for (String key : config.getStringList("can-mine"))
+                    mineable.add(MMOCore.plugin.loadManager.loadBlockType(new MMOLineConfig(key)).generateKey());
         }
 
         /**
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/profession/FishingManager.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/profession/FishingManager.java
index 410274e0..48c79e28 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/profession/FishingManager.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/profession/FishingManager.java
@@ -39,6 +39,7 @@ public class FishingManager extends SpecificProfessionManager {
 		MMOCore.plugin.statManager.registerProfession("CRITICAL_FISHING_FAILURE_CHANCE", getLinkedProfession());
 	}
 
+	@NotNull
 	public FishingDropTable calculateDropTable(@NotNull Player player, @NotNull FishHook hook) {
 		ConditionInstance conditionEntity = new ConditionInstance(player, hook.getLocation());