The system is for control of computer technical assistance.
I changed many things, fix many bugs and so on.
Personnel here is the final version of my program.
Developed using:
PHP 7.2,Sqlite, Jquery, CSS3, HTML 5.
Plugins: sweetalert2, modernizr, jquery.magnific-popup, jquery-ui, jquery.tag-editor, JQuerySerializeCheckbox.
Thanks @gdgsupport for the great support.