Resolved Plesk login redirects login_up.php?success_redirect_url=%2F

[Bitpalast]

What do you mean by "fix it temporarily"?
The syntax is wrong, it needs a semicolon ";" at the end of the line. That's the fix.

 

[gutierrezmagf]

mi solucion fue cambiar de internet o conectarme via VPN ya que me estaba haciendo confligto un Router.

[My solution was to change the internet or connect via VPN as I was getting confused by a Router.]

 

[qsdnxu]

Apache php service restart solved the same issue. Under tools & settings / service management