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Fix possible NPE
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@ -190,7 +190,7 @@ public class SubSigns implements Listener {
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}
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private void refresh(SubServer server) {
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if (plugin.lang != null) {
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if (server != null && plugin.lang != null) {
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String name;
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for (Entry<Location, String> pos : signs.entrySet()) {
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if ((name = pos.getValue()).equalsIgnoreCase(server.getName())) {
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