If you are having issues accessing your online account there should be a simple solution.
The external page for accessing your online account is best used on the web browser Microsoft Chrome.
If it continues to not work on Chrome the issue is normally related to cache/cookie files history within in browser.
If you remove the cache/cookie files from your browser history and then settings within there, then if you attempt to log in again, this should resolve the error for you.
If it does not, please let us know at
help@watkinsenergy.co.uk