Hello,

component work but savina a new group from backend component JSN, system return

exception 'UnexpectedValueException' with message 'JsnTableField::_getNode(1, ) failed.' in /var/www/libraries/joomla/table/nested.php:1542 Stack trace: #0 /var/www/libraries/joomla/table/nested.php(784): JTableNested->_getNode('1') #1 /var/www/administrator/components/com_jsn/tables/field.php(171): JTableNested->store(false) #2 /var/www/administrator/components/com_jsn/models/field.php(378): JsnTableField->store() #3 /var/www/libraries/legacy/controller/form.php(733): JsnModelField->save(Array) #4 /var/www/libraries/legacy/controller/legacy.php(722): JControllerForm->save() #5 /var/www/administrator/components/com_jsn/jsn.php(35): JControllerLegacy->execute('save') #6 /var/www/libraries/cms/component/helper.php(352): require_once('/var/www/admini...') #7 /var/www/libraries/cms/component/helper.php(332): JComponentHelper::executeComponent('/var/www/admini...') #8 /var/www/libraries/cms/application/administrator.php(98): JComponentHelper::renderComponent('com_jsn') #9 /var/www/libraries/cms/application/administrator.php(159): JApplicationAdministrator->dispatch() #10 /var/www/libraries/cms/application/cms.php(245): JApplicationAdministrator->doExecute() #11 /var/www/administrator/index.php(42): JApplicationCms->execute() #12 {main}

Any suggestion to fix?

Thank you

Mario