Add ignored message

SpigotCore_Main/src/de/steamwar/core/ErrorHandler.java

@@ -147,6 +147,7 @@ public class ErrorHandler extends Handler {
         startsWith.add("You have min/max set to -64/256");
         startsWith.add("This version of ViaBackwards does not fully support 1.19 servers.");
         startsWith.add("Biome with id");
+        startsWith.add("1.16 and 1.16.1 clients are only partially supported");
         ignoreStartsWith = Collections.unmodifiableList(startsWith);
 
         List<String> contains = new ArrayList<>();