ys comprehensively test your persistence strategy to understand the opportunity for data loss (in the case of trying to save data to a server under poor network conditions, for example).</p><p>To help debug such issues, since v4.0.4, the create methods for all <code>Persister</code> objects take an optional <code>onIgnoredError</code> argument. This is a handler for the errors that the <code>Persister</code> would otherwise ignore when trying to save or load data (such as when handling corrupted stored data