我尝试从phpmyadmin导出数据库时,出现了此错误
"Fatal error: Uncaught TypeError: Argument 5 passed to PhpMyAdmin\Export::getFilenameAndMimetype() must be of the type string, null given, called in C:\xampp\phpMyAdmin\export.phpon line 380 and defined in C:\xampp\phpMyAdmin\libraries\clas