--- a/ucs-school-import/modules/ucsschool/http_api/import_api/tasks.py	
+++ a/ucs-school-import/modules/ucsschool/http_api/import_api/tasks.py	
@@ -92,6 +92,8 @@ def run_import_job(task, importjob_id):
 		runner.prepare_import()
 	except Exception as exc:
 		logger.exception('An error occurred while preparing the import job: {}'.format(exc))
+		if runner.logger:
+			runner.logger.exception('An error occurred while preparing the import job: {}'.format(exc))
 	else:
 		# from here on we can log with the import logger
 		runner.logger.info('-- Starting import job... --')