First, try clearing your browser cache.

https://submittal123.groovehq.com/knowledge_base/topics/clearing-cache-if-you-arent-seeing-updates-slash-data

If your browser is Internet Explorer, a setting may need to be changed:

https://submittal123.groovehq.com/knowledge_base/topics/internet-explorer-get-new-information-every-time

It is also possible that your browser has a glitch. Try to find the package you are looking for using a different browser.  You may need to reinstall your current browser.