ERROR: Import - must be valid object or a string

[ralferlebach]

Fehler beim Import folgender Datei:
Itemparameter.csv

Error code: generalexceptionmessage

• line 174 of /local/catquiz/classes/local/model/model_item_param.php: Error thrown
• line 191 of /local/catquiz/classes/local/model/model_item_param.php: call to local_catquiz\local\model\model_item_param->__construct()
• line 508 of /local/catquiz/classes/local/model/model_item_param_list.php: call to local_catquiz\local\model\model_item_param::from_record()
• line 455 of /local/catquiz/classes/local/model/model_item_param_list.php: call to local_catquiz\local\model\model_item_param_list::save_or_update_testitem_in_db()
• line 280 of /local/catquiz/classes/import/fileparser.php: call to local_catquiz\local\model\model_item_param_list::save_or_update_testitem_in_db()
• line 224 of /local/catquiz/classes/import/fileparser.php: call to local_catquiz\import\fileparser->execute_callback()
• line 57 of /local/catquiz/classes/importer/testitemimporter.php: call to local_catquiz\import\fileparser->process_csv_data()
• line 145 of /local/catquiz/classes/form/csvimport.php: call to local_catquiz\importer\testitemimporter::execute_testitems_csv_import()
• line 75 of /lib/form/classes/external/dynamic_form.php: call to local_catquiz\form\csvimport->process_dynamic_submission()
• line ? of unknownfile: call to core_form\external\dynamic_form::execute()
• line 253 of /lib/external/classes/external_api.php: call to call_user_func_array()
• line 83 of /lib/ajax/service.php: call to core_external\external_api::call_external_function()