l10n: Eliminated STRING_ERROR_BAD_STATUS

src/Task.cpp

@@ -152,7 +152,7 @@ Task::status Task::textToStatus (const std::string& input)
   else if (input[0] == 'r') return Task::recurring;
   else if (input[0] == 'w') return Task::waiting;
 
-  throw format (STRING_ERROR_BAD_STATUS, input);
+  throw format ("The status '{1}' is not valid.", input);
 }
 
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