If you can't access SProc at https://www.sproc.net/, you can try these actions to regain access. Work through the ones that are relevant to you, and check after each one whether you can now open the system.
Shut down all browsers and applications and reboot your device, then try again to access the system.
Clear your internet browser's cache and cookies.
Try to load the SProc system on a different browser, like Microsoft Edge or Google Chrome.
Reboot your router, if you work from home.
đNote: If you've tried the suggestions that are relevant to you and you still can't access the system, contact your IT team or your internet provider so they can investigate the issue further.