Adding exception for POI data mismatch

SpigotCore_Main/src/de/steamwar/sql/SWException.java

@@ -21,7 +21,7 @@ public class SWException {
         }
 
         String message = logEvent.getMessage().getFormattedMessage();
-        if(message.startsWith("Block at"))
+        if(message.startsWith("Block at") || message.startsWith("POI data mismatch"))
             return;
 
         SQL.update("INSERT INTO Exception (server, message, stacktrace) VALUES ('" + server + "', '" + SQL.disarmString(message) + "', '" + SQL.disarmString(stacktrace.toString()) + "')");