removed error message caused by papi placeholders without initial val…

…ue on bungeecord

src/main/java/me/neznamy/tab/shared/ErrorManager.java

@@ -266,6 +266,7 @@ public float parseFloat(String string, float defaultValue, String place) {
 	 * @return parsed double
 	 */
 	public double parseDouble(String string, double defaultValue, String place) {
+		if (string == null || string.length() == 0) return 0; //preventing error message on bungee with papi placeholders due to them not being initialized yet
 		try {
 			return Double.parseDouble(string);
 		} catch (Throwable e) {