As received for lang.moodle.org:

Exception occured while calling enrol_paypal\privacy\provider::get_contexts_for_userid.
This means that plugin enrol_paypal did not complete processing data. Below you can find exception information that can be passed to the plugin developer.

Error reading from database

#0 /opt/app/lib/dml/pgsql_native_moodle_database.php(248): moodle_database->query_end(false)
#1 /opt/app/lib/dml/pgsql_native_moodle_database.php(764): pgsql_native_moodle_database->query_end(false)
#2 /opt/app/privacy/classes/local/request/contextlist.php(51): pgsql_native_moodle_database->get_recordset_sql('DECLARE crs65 N...', Array)
#3 /opt/app/enrol/paypal/classes/privacy/provider.php(124): core_privacy\local\request\contextlist->add_from_sql('SELECT ctx.id\n ...', Array)
#4 /opt/app/lib/moodlelib.php(7764): enrol_paypal\privacy\provider::get_contexts_for_userid(80459)
#5 /opt/app/privacy/classes/manager.php(495): component_class_callback('enrol_paypal
pr...', 'get_contexts_fo...', Array)
#6 /opt/app/privacy/classes/manager.php(528): core_privacy\manager::component_class_callback('enrol_paypal', 'core_privacy
lo...', 'get_contexts_fo...', Array)
#7 /opt/app/privacy/classes/manager.php(237): core_privacy\manager->handled_component_class_callback('enrol_paypal', 'core_privacy
lo...', 'get_contexts_fo...', Array)
#8 /opt/app/admin/tool/dataprivacy/classes/task/initiate_data_request_task.php(102): core_privacy\manager->get_contexts_for_userid(80459)
#9 /opt/app/lib/cronlib.php(185): tool_dataprivacy\task\initiate_data_request_task->execute()
#10 /opt/app/lib/cronlib.php(74): cron_run_inner_adhoc_task(Object(tool_dataprivacy\task\initiate_data_request_task))
#11 /opt/app/admin/cli/cron.php(61): cron_run()
#12

Unknown macro: {main}