`$params` in `findOne` method is deprecated since v6.0. https://github.com/espocrm/ext-export-import/blob/2.4.0/src/files/custom/Espo/Modules/ExportImport/Tools/Import/Processor/Entity.php#L228 Possible example for a fix: https://github.com/espocrm/espocrm/blob/master/application/Espo/Core/Webhook/Queue.php#L232