This plugin is barely maintained, meaning we don't guarantee cost-free support. Look at reporting a difficulty and Wait and see. This case can come from plugins modifying your .htaccess data files to incorporate or improve principles, or from an aged WordPress MU configuration not up to date due to the https://telegra.ph/WPS-Office%E4%B8%AD%E6%96%87%E7%89%88%E4%B8%8B%E8%BD%BD%E8%AF%A6%E8%A7%A3%E9%AB%98%E6%95%88%E5%8A%9E%E5%85%AC%E7%9A%84%E4%BC%98%E9%80%89%E5%B7%A5%E5%85%B7-05-19