Hi, please share url so I can debug the 500 error and fix.
Also share what basic changes you required.
I'm interesting in your project very well.
I'm good in Website Design, Yii2, PHP, Laravel, Codeigneter, Wordpress, Open Cart, C#, .Net, MVC, Angular.js, ASP.NET.
I m quite well experienced in these jobs.
Let's go ahead with me.
Thanks