The 500 error is an encoding error that occurs on your page.
To see the content and cause of the error, make the following settings in Internet Explorer:
Enter the "Tools> Internet Options> Advanced" section.
"Show descriptive HTTP error messages." section and click the OK button.
After doing this process, you can see the ASP errors that occur on your pages.

In your php sites, you need to login to your php settings and set custom errors on. Do not forget to close the custom errors section after you are done.

March 6, 2020, 4:27 p.m.