Warning: include(./next/libs/bootstrap.php): failed to open stream: No such file or directory in /home/c2540559/public_html/next/index.php on line 9

Warning: include(./next/libs/bootstrap.php): failed to open stream: No such file or directory in /home/c2540559/public_html/next/index.php on line 9

Warning: include(): Failed opening './next/libs/bootstrap.php' for inclusion (include_path='.:/opt/php7-4/lib/php') in /home/c2540559/public_html/next/index.php on line 9

Warning: include(./op/funciones.php): failed to open stream: No such file or directory in /home/c2540559/public_html/next/index.php on line 29

Warning: include(./op/funciones.php): failed to open stream: No such file or directory in /home/c2540559/public_html/next/index.php on line 29

Warning: include(): Failed opening './op/funciones.php' for inclusion (include_path='.:/opt/php7-4/lib/php') in /home/c2540559/public_html/next/index.php on line 29

Fatal error: Uncaught Error: Call to undefined function _modificar() in /home/c2540559/public_html/next/index.php:92
Stack trace:
#0 {main}
  thrown in /home/c2540559/public_html/next/index.php on line 92