XFileSharing Pro - Internal Server Error (Error 500)

[Lotos-28]

Dear developers.
Good afternoon, the server is set up according to the requirements of the script, but when you try to install it, it gives such an error. What could be the reason?

Internal Server Error
Oops! Something went wrong.

The server encountered an internal error or misconfiguration and was unable to complete your request.

Error Code: 500

[verzing]

Chmod install.cgi to 755
If still get error open install.cgi and add -w to #!/usr/bin/perl
Something like this

#!/usr/bin/perl -w