Undefined index: delete_reports_keep_month_reports

Hi everyone

I’m facing an issue everytime I sign in to Piwik - I get quite a few notices telling me there’s an error, does anyone know what the issue could be?

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_month_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_week_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_year_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_range_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\SitesManager\SitesManager.php(54): Notice - Undefined index: delete_logs_enable - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_segment_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_day_reports - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_keep_basic_metrics - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_logs_older_than - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_logs_schedule_lowest_interval - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_logs_max_rows_per_query - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: enable_auto_database_size_estimate - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_older_than - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_reports_enable - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

WARNING: PATH_TO_PIWIK\PrivacyManager\PrivacyManager.php(221): Notice - Undefined index: delete_logs_enable - Piwik 2.13.1 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)