Hotfix TimeCommand

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/other/TimeCommand.java

@@ -23,6 +23,7 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.linkage.LinkageType;
 import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.command.CommandParseException;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.SWCommandUtils;
 import de.steamwar.command.TypeMapper;
@@ -77,7 +78,7 @@ public class TimeCommand extends SWCommand {
             try {
                 return Integer.parseInt(s);
             } catch (NumberFormatException e) {
-                return 0;
+                return null;
             }
         }, s -> tabCompletions);
     }