If you are receiving an error of "HTTP Status 500 - Internal Server Error" try to clear your browser cache to resolve the issue. If this does not resolve the error, you will need to contact GPSTC at:registrar@gpstc.org
Log out of GCALS first. Below are the instructions for clearing cache in Google Chrome:
Delete browser cache and cookies in Chrome
Open Google Chrome.
Click the menu button ⋮ > More Tools > Clear browsing data.
On the Clear browsing data window, select which time range you want to clear.
Put a check beside Cookies and other site data and Cached images and files, and then click Clear data.
When it has finished, close the browser and return to GCALS.
If this does not resolve the error, you will need to contact GPSTC at: registrar@gpstc.org