Subject    Exception occurred while processing privacy data

Exception occurred while calling mod_survey\privacy\provider::export_user_data.

This means that plugin mod_survey did not complete the processing of data. The following exception information may be passed on to the plugin developer:

Coding error detected, it must be fixed by a programmer: Invalid string identifier. The identifier cannot be empty. Please fix your get_string() call. (32767)

#0 /opt/app/mod/survey/lib.php(914): get_string('\r', 'survey')

#1 /opt/app/mod/survey/classes/privacy/provider.php(227): survey_translate_question(Object(stdClass))

#2 /opt/app/mod/survey/classes/privacy/provider.php(405): mod_survey\privacy\provider::mod_survey\privacy\{closure}(Array, Object(stdClass))

#3 /opt/app/mod/survey/classes/privacy/provider.php(250): mod_survey\privacy\provider::recordset_loop_and_export(Object(mysqli_native_moodle_recordset), 'cmid', Array, Object(Closure), Object(Closure))

#4 [internal function]: mod_survey\privacy\provider::export_user_data(Object(core_privacy\local\request\approved_contextlist))

#5 /opt/app/lib/moodlelib.php(8023): call_user_func_array('mod_survey\\priv...', Array)

#6 /opt/app/privacy/classes/manager.php(578): component_class_callback('mod_survey\\priv...', 'export_user_dat...', Array)

#7 /opt/app/privacy/classes/manager.php(611): core_privacy\manager::component_class_callback('mod_survey', 'core_privacy\\lo...', 'export_user_dat...', Array)

#8 /opt/app/privacy/classes/manager.php(339): core_privacy\manager->handled_component_class_callback('mod_survey', 'core_privacy\\lo...', 'export_user_dat...', Array)

#9 /opt/app/admin/tool/dataprivacy/classes/task/process_data_request_task.php(114): core_privacy\manager->export_user_data(Object(core_privacy\local\request\contextlist_collection))

#10 /opt/app/lib/cronlib.php(284): tool_dataprivacy\task\process_data_request_task->execute()

#11 /opt/app/lib/cronlib.php(166): cron_run_inner_adhoc_task(Object(tool_dataprivacy\task\process_data_request_task))

#12 /opt/app/lib/cronlib.php(76): cron_run_adhoc_tasks(1589214001)

#13 /opt/app/admin/cli/cron.php(61): cron_run()

#14 {main}