Ensure it's a string

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_12to1_11_1/ChatItemRewriter.java

@@ -20,12 +20,16 @@ public class ChatItemRewriter {
                     if (hoverEvent.has("action") && hoverEvent.has("value")) {
                         String type = hoverEvent.get("action").getAsString();
                         if (type.equals("show_item") || type.equals("show_entity")) {
+                            if (hoverEvent.get("value").isJsonPrimitive()) {
+                                if (hoverEvent.get("value").getAsJsonPrimitive().isString()) {
                                     String value = hoverEvent.get("value").getAsString();
                                     value = indexRemoval.matcher(value).replaceAll("");
                                     hoverEvent.addProperty("value", value);
                                 }
                             }
                         }
+                    }
+                }
             } else {
                 if (obj.has("extra")) {
                     toClient(obj.get("extra"), user);