Warning: file_get_contents(https://opendata.arcgis.com/datasets/abb9ca90391c4978a631512fa0516c6f_0.csv?outSR=%7B%22wkid%22%3A102696%2C%22latestWkid%22%3A102696%7D): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found
in dkan_datastore_proxy() (line 39 of /var/www/html/profiles/dkan/modules/dkan/dkan_datastore/dkan_datastore.pages.inc).
Revisions allow you to track differences between multiple versions of your content, and revert back to older versions.