Warning: Undefined array key "us" in C:\Apache24\htdocs\soitec\xml\xmlgridfile.php on line 4

Fatal error: Uncaught ArgumentCountError: Too few arguments to function AnexoDAO::listaFiles(), 0 passed in C:\Apache24\htdocs\soitec\xml\xmlgridfile.php on line 18 and exactly 2 expected in C:\Apache24\htdocs\soitec\persistencia\AnexoDAO.php:78 Stack trace: #0 C:\Apache24\htdocs\soitec\xml\xmlgridfile.php(18): AnexoDAO->listaFiles() #1 {main} thrown in C:\Apache24\htdocs\soitec\persistencia\AnexoDAO.php on line 78