Sometimes, if you have issues with logging in or other account problems, they could be attributed to old or corrupted browser cookies. But deleting ALL of your cookies means that you'll be logged out of ALL websites where you may have selected "remember me" when logging in. So instead, it may be more productive for you to delete the cookies that are only relevant to surveyorconnect.com. Here's how, in various browsers:
https://www.thewindowsclub.com/clear-cache-cookies-specific-website