2nd null check

src/main/java/emu/grasscutter/command/commands/BanCommand.java

@@ -29,6 +29,9 @@ public final class BanCommand implements CommandHandler {
         Account account = player.getAccount();
         if (account == null) {
             account = DatabaseHelper.getAccountByPlayerId(uid);
+            if (account == null) {
+                return false;
+            }
         }
 
         account.setBanReason(reason);

src/main/java/emu/grasscutter/command/commands/UnBanCommand.java

@@ -30,6 +30,9 @@ public final class UnBanCommand implements CommandHandler {
 
         if (account == null) {
             account = DatabaseHelper.getAccountByPlayerId(uid);
+            if (account == null) {
+                return false;
+            }
         }
 
         account.setBanReason(null);