https://prnt.sc/wckims this is what happened when I opened new map I beg of you guys to change back to old map please why change to new map when old map worked well
edge is a browser
chrome is a browser
safari is a browser
etc
etc
download a different one to the one you're using and see if it works better.
clearing the cache depends on the browser you're using but is usually a button next to the clear history button. google search "how to clear cache on <browser you're using>"