https://answers.axonivy.com/questions/3151/entitynotfoundexception-unable-to-find<p>Hi Q&amp;A-Team,</p> <p>we are having an exception while trying to merge an entity : javax.persistence.EntityNotFoundException: Unable to find differenzmeldung.Differenz with id 51 the entity was saved in first step using ivy.persistence but the next step we have to remove to old list of sub entities and one of them had the id 51 but after merging again the exception occures.</p> <p>can you please provide us with an example about creating an entity with associations and how to update and remove them?</p> <p>best regards,</p>enTue, 30 Jul 2024 10:45:50 -0000