Fatal error: Uncaught Error: Call to undefined function Mike42\Escpos\PrintConnectors\proc_open() in /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/src/Mike42/Escpos/PrintConnectors/WindowsPrintConnector.php:341 Stack trace: #0 /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/src/Mike42/Escpos/PrintConnectors/WindowsPrintConnector.php(228): Mike42\Escpos\PrintConnectors\WindowsPrintConnector->runCommand('smbclient '//si...', NULL, NULL, '\e@Hola mundo\nPa...') #1 /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/src/Mike42/Escpos/PrintConnectors/WindowsPrintConnector.php(175): Mike42\Escpos\PrintConnectors\WindowsPrintConnector->finalizeLinux('\e@Hola mundo\nPa...') #2 /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/src/Mike42/Escpos/Printer.php(503): Mike42\Escpos\PrintConnectors\WindowsPrintConnector->finalize() #3 /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/index.php(64): Mike42\Escpos\Printer->close() #4 {main} thrown in /home/jeazdesi/arts.jeazdesign.com/todos los documentps/imprimir_ticket_php-master/src/Mike42/Escpos/PrintConnectors/WindowsPrintConnector.php on line 341